Remove trailing whitespace in test suite. Approved by Marshall Clow.

llvm-svn: 271435

62 files changed, 101 insertions, 101 deletions

diff --git a/libcxx/test/std/utilities/allocator.adaptor/allocator.adaptor.types/allocator_pointers.pass.cpp b/libcxx/test/std/utilities/allocator.adaptor/allocator.adaptor.types/allocator_pointers.pass.cpp
index bc5de61d801..53b7dcae4ea 100644
--- a/libcxx/test/std/utilities/allocator.adaptor/allocator.adaptor.types/allocator_pointers.pass.cpp
+++ b/libcxx/test/std/utilities/allocator.adaptor/allocator.adaptor.types/allocator_pointers.pass.cpp
@@ -20,7 +20,7 @@
 //     typedef Alloc                        allocator_type;
 //     typedef typename allocator_type::value_type
 //                                          value_type;
-// 
+//
 //     typedef Alloc::pointer | value_type* pointer;
 //     typedef Alloc::const_pointer
 //           | pointer_traits<pointer>::rebind<const value_type>
@@ -116,7 +116,7 @@ int main()
 
     test_void_pointer<std::scoped_allocator_adaptor<std::allocator<char>>> ();
     test_void_pointer<std::scoped_allocator_adaptor<std::allocator<int>>> ();
-    test_void_pointer<std::scoped_allocator_adaptor<std::allocator<Foo>>> ();   
+    test_void_pointer<std::scoped_allocator_adaptor<std::allocator<Foo>>> ();
 }
 #else
 int main() {}
diff --git a/libcxx/test/std/utilities/allocator.adaptor/allocator.adaptor.types/is_always_equal.pass.cpp b/libcxx/test/std/utilities/allocator.adaptor/allocator.adaptor.types/is_always_equal.pass.cpp
index e19e731f6cf..90fe944125b 100644
--- a/libcxx/test/std/utilities/allocator.adaptor/allocator.adaptor.types/is_always_equal.pass.cpp
+++ b/libcxx/test/std/utilities/allocator.adaptor/allocator.adaptor.types/is_always_equal.pass.cpp
@@ -32,7 +32,7 @@ int main()
     static_assert( (std::is_same<
     		std::allocator_traits<min_allocator<int>>::is_always_equal, std::true_type>::value
     		), "" );
-    
+
     // wrapping one allocator
     static_assert(
         (std::is_same<
@@ -51,14 +51,14 @@ int main()
     static_assert((
             std::scoped_allocator_adaptor<A1<int>, A2<int>>::is_always_equal::value ==
             ( std::allocator_traits<A1<int>>::is_always_equal::value &&
-              std::allocator_traits<A2<int>>::is_always_equal::value)    
+              std::allocator_traits<A2<int>>::is_always_equal::value)
         ), "");
 
     // wrapping two allocators (check the values instead of the types)
     static_assert((
             std::scoped_allocator_adaptor<A1<int>, min_allocator<int>>::is_always_equal::value ==
             ( std::allocator_traits<A1<int>>::is_always_equal::value &&
-              std::allocator_traits<min_allocator<int>>::is_always_equal::value)    
+              std::allocator_traits<min_allocator<int>>::is_always_equal::value)
         ), "");
 
 
@@ -66,8 +66,8 @@ int main()
     static_assert((
             std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>>::is_always_equal::value ==
             ( std::allocator_traits<A1<int>>::is_always_equal::value &&
-              std::allocator_traits<A2<int>>::is_always_equal::value &&    
-              std::allocator_traits<A3<int>>::is_always_equal::value)    
+              std::allocator_traits<A2<int>>::is_always_equal::value &&
+              std::allocator_traits<A3<int>>::is_always_equal::value)
         ), "");
 
 
diff --git a/libcxx/test/std/utilities/allocator.adaptor/scoped.adaptor.operators/eq.pass.cpp b/libcxx/test/std/utilities/allocator.adaptor/scoped.adaptor.operators/eq.pass.cpp
index 8d4cb6abe84..51dd67f9ffd 100644
--- a/libcxx/test/std/utilities/allocator.adaptor/scoped.adaptor.operators/eq.pass.cpp
+++ b/libcxx/test/std/utilities/allocator.adaptor/scoped.adaptor.operators/eq.pass.cpp
@@ -16,7 +16,7 @@
 //     bool
 //     operator==(const scoped_allocator_adaptor<OuterA1, InnerAllocs...>& a,
 //                const scoped_allocator_adaptor<OuterA2, InnerAllocs...>& b);
-// 
+//
 // template <class OuterA1, class OuterA2, class... InnerAllocs>
 //     bool
 //     operator!=(const scoped_allocator_adaptor<OuterA1, InnerAllocs...>& a,
diff --git a/libcxx/test/std/utilities/function.objects/arithmetic.operations/plus.pass.cpp b/libcxx/test/std/utilities/function.objects/arithmetic.operations/plus.pass.cpp
index 3c093fc093c..ce544c78b67 100644
--- a/libcxx/test/std/utilities/function.objects/arithmetic.operations/plus.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/arithmetic.operations/plus.pass.cpp
@@ -29,7 +29,7 @@ int main()
     assert(f2(3,2) == 5);
     assert(f2(3.0, 2) == 5);
     assert(f2(3, 2.5) == 5.5);
-    
+
     constexpr int foo = std::plus<int> () (3, 2);
     static_assert ( foo == 5, "" );
 
diff --git a/libcxx/test/std/utilities/function.objects/arithmetic.operations/transparent.pass.cpp b/libcxx/test/std/utilities/function.objects/arithmetic.operations/transparent.pass.cpp
index 105f9ecfee9..b85f439ba7a 100644
--- a/libcxx/test/std/utilities/function.objects/arithmetic.operations/transparent.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/arithmetic.operations/transparent.pass.cpp
@@ -54,6 +54,6 @@ int main ()
     static_assert ( !is_transparent<std::negate<std::string>>::value, "" );
     static_assert (  is_transparent<std::negate<void>>::value, "" );
     static_assert (  is_transparent<std::negate<>>::value, "" );
-    
+
     return 0;
 }
diff --git a/libcxx/test/std/utilities/function.objects/bitwise.operations/transparent.pass.cpp b/libcxx/test/std/utilities/function.objects/bitwise.operations/transparent.pass.cpp
index db67f63af78..db7168c44f8 100644
--- a/libcxx/test/std/utilities/function.objects/bitwise.operations/transparent.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/bitwise.operations/transparent.pass.cpp
@@ -43,6 +43,6 @@ int main () {
     static_assert ( !is_transparent<std::bit_not<std::string>>::value, "" );
     static_assert (  is_transparent<std::bit_not<void>>::value, "" );
     static_assert (  is_transparent<std::bit_not<>>::value, "" );
-    
+
     return 0;
 }
diff --git a/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/types.pass.cpp b/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/types.pass.cpp
index eb4eac65cd2..e48b8f98691 100644
--- a/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/types.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/types.pass.cpp
@@ -14,7 +14,7 @@
 // public:
 //   typedef R result_type;
 //   typedef T1 argument_type;          // iff sizeof...(ArgTypes) == 1 and
-//                                      // the type in ArgTypes is T1 
+//                                      // the type in ArgTypes is T1
 //   typedef T1 first_argument_type;    // iff sizeof...(ArgTypes) == 2 and
 //                                      // ArgTypes contains T1 and T2
 //   typedef T2 second_argument_type;   // iff sizeof...(ArgTypes) == 2 and
diff --git a/libcxx/test/std/utilities/function.objects/logical.operations/transparent.pass.cpp b/libcxx/test/std/utilities/function.objects/logical.operations/transparent.pass.cpp
index 77177b1b325..00e513ec546 100644
--- a/libcxx/test/std/utilities/function.objects/logical.operations/transparent.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/logical.operations/transparent.pass.cpp
@@ -39,6 +39,6 @@ int main ()
     static_assert ( !is_transparent<std::logical_not<std::string>>::value, "" );
     static_assert (  is_transparent<std::logical_not<void>>::value, "" );
     static_assert (  is_transparent<std::logical_not<>>::value, "" );
-    
+
     return 0;
 }
diff --git a/libcxx/test/std/utilities/function.objects/refwrap/type_properties.pass.cpp b/libcxx/test/std/utilities/function.objects/refwrap/type_properties.pass.cpp
index 5a6a6fb7df9..3c00bd20ac6 100644
--- a/libcxx/test/std/utilities/function.objects/refwrap/type_properties.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/refwrap/type_properties.pass.cpp
@@ -54,8 +54,8 @@ int main()
 {
     test<int>();
     test<double>();
-    test<std::string>(); 
+    test<std::string>();
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    test<MoveOnly>(); 
+    test<MoveOnly>();
 #endif
 }
diff --git a/libcxx/test/std/utilities/function.objects/unord.hash/enum.pass.cpp b/libcxx/test/std/utilities/function.objects/unord.hash/enum.pass.cpp
index bd92a4ac4d2..a91f491f65c 100644
--- a/libcxx/test/std/utilities/function.objects/unord.hash/enum.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/unord.hash/enum.pass.cpp
@@ -35,7 +35,7 @@ test()
     static_assert((std::is_same<typename H::argument_type, T>::value), "" );
     static_assert((std::is_same<typename H::result_type, std::size_t>::value), "" );
     typedef typename std::underlying_type<T>::type under_type;
-    
+
     H h1;
     std::hash<under_type> h2;
     for (int i = 0; i <= 5; ++i)
diff --git a/libcxx/test/std/utilities/intseq/intseq.general/integer_seq.pass.cpp b/libcxx/test/std/utilities/intseq/intseq.general/integer_seq.pass.cpp
index 362a7e1b5d5..653fbc43d30 100644
--- a/libcxx/test/std/utilities/intseq/intseq.general/integer_seq.pass.cpp
+++ b/libcxx/test/std/utilities/intseq/intseq.general/integer_seq.pass.cpp
@@ -31,20 +31,20 @@ int main()
     using size2   = std::index_sequence_for<int, size_t>;   // generates size_t: 0,1
     using intmix  = std::integer_sequence<int, 9, 8, 7, 2>; // generates int:    9,8,7,2
     using sizemix = std::index_sequence<1, 1, 2, 3, 5>;     // generates size_t: 1,1,2,3,5
-    
+
 //  Make sure they're what we expect
     static_assert ( std::is_same<int3::value_type, int>::value, "int3 type wrong" );
     static_assert ( int3::size () == 3, "int3 size wrong" );
-    
+
     static_assert ( std::is_same<size7::value_type, size_t>::value, "size7 type wrong" );
     static_assert ( size7::size () == 7, "size7 size wrong" );
-    
+
     static_assert ( std::is_same<size4::value_type, size_t>::value, "size4 type wrong" );
     static_assert ( size4::size () == 4, "size4 size wrong" );
-    
+
     static_assert ( std::is_same<size2::value_type, size_t>::value, "size2 type wrong" );
     static_assert ( size2::size () == 2, "size2 size wrong" );
-    
+
     static_assert ( std::is_same<intmix::value_type, int>::value, "intmix type wrong" );
     static_assert ( intmix::size () == 4, "intmix size wrong" );
 
@@ -52,7 +52,7 @@ int main()
     static_assert ( sizemix::size () == 5, "sizemix size wrong" );
 
     auto tup = std::make_tuple ( 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 );
-    
+
 //  Use them
     auto t3 = extract ( tup, int3() );
     static_assert ( std::tuple_size<decltype(t3)>::value == int3::size (), "t3 size wrong");
diff --git a/libcxx/test/std/utilities/intseq/intseq.intseq/integer_seq.fail.cpp b/libcxx/test/std/utilities/intseq/intseq.intseq/integer_seq.fail.cpp
index 4b2d1acb5e6..b689160baba 100644
--- a/libcxx/test/std/utilities/intseq/intseq.intseq/integer_seq.fail.cpp
+++ b/libcxx/test/std/utilities/intseq/intseq.intseq/integer_seq.fail.cpp
@@ -13,7 +13,7 @@
 // struct integer_sequence
 // {
 //     typedef T type;
-// 
+//
 //     static constexpr size_t size() noexcept;
 // };
 
diff --git a/libcxx/test/std/utilities/intseq/intseq.intseq/integer_seq.pass.cpp b/libcxx/test/std/utilities/intseq/intseq.intseq/integer_seq.pass.cpp
index bff2daa6b8b..841a234334b 100644
--- a/libcxx/test/std/utilities/intseq/intseq.intseq/integer_seq.pass.cpp
+++ b/libcxx/test/std/utilities/intseq/intseq.intseq/integer_seq.pass.cpp
@@ -14,7 +14,7 @@
 // struct integer_sequence
 // {
 //     typedef T type;
-// 
+//
 //     static constexpr size_t size() noexcept;
 // };
 
@@ -30,17 +30,17 @@ int main()
     using size1   = std::integer_sequence<std::size_t, 7>;
     using ushort2 = std::integer_sequence<unsigned short, 4, 6>;
     using bool0   = std::integer_sequence<bool>;
-    
+
 //  Make sure they're what we expect
     static_assert ( std::is_same<int3::value_type, int>::value, "int3 type wrong" );
     static_assert ( int3::size() == 3, "int3 size wrong" );
-    
+
     static_assert ( std::is_same<size1::value_type, std::size_t>::value, "size1 type wrong" );
     static_assert ( size1::size() == 1, "size1 size wrong" );
-    
+
     static_assert ( std::is_same<ushort2::value_type, unsigned short>::value, "ushort2 type wrong" );
     static_assert ( ushort2::size() == 2, "ushort2 size wrong" );
-    
+
     static_assert ( std::is_same<bool0::value_type, bool>::value, "bool0 type wrong" );
     static_assert ( bool0::size() == 0, "bool0 size wrong" );
 }
diff --git a/libcxx/test/std/utilities/memory/default.allocator/allocator_pointers.pass.cpp b/libcxx/test/std/utilities/memory/default.allocator/allocator_pointers.pass.cpp
index 588227f0a49..c1207b204aa 100644
--- a/libcxx/test/std/utilities/memory/default.allocator/allocator_pointers.pass.cpp
+++ b/libcxx/test/std/utilities/memory/default.allocator/allocator_pointers.pass.cpp
@@ -19,7 +19,7 @@
 //     typedef Alloc                        allocator_type;
 //     typedef typename allocator_type::value_type
 //                                          value_type;
-// 
+//
 //     typedef Alloc::pointer | value_type* pointer;
 //     typedef Alloc::const_pointer
 //           | pointer_traits<pointer>::rebind<const value_type>
@@ -111,11 +111,11 @@ int main()
 {
     test_pointer<std::allocator<char>> ();
     test_pointer<std::allocator<int>> ();
-    test_pointer<std::allocator<Foo>> ();   
+    test_pointer<std::allocator<Foo>> ();
 
     test_void_pointer<std::allocator<char>> ();
     test_void_pointer<std::allocator<int>> ();
-    test_void_pointer<std::allocator<Foo>> ();  
+    test_void_pointer<std::allocator<Foo>> ();
 }
 #else
 int main() {}
diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/uninitialized_copy.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/uninitialized_copy.pass.cpp
index 8bb818319a3..1debd6d75ff 100644
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/uninitialized_copy.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/uninitialized_copy.pass.cpp
@@ -36,7 +36,7 @@ struct Nasty
     Nasty() : i_ ( counter_++ ) {}
     Nasty * operator &() const { return NULL; }
     int i_;
-    static int counter_; 
+    static int counter_;
 };
 
 int Nasty::counter_ = 0;
@@ -76,5 +76,5 @@ int main()
         assert(  p[i].i_ == i);
         }
     }
-    
+
 }
diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/uninitialized_copy_n.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/uninitialized_copy_n.pass.cpp
index ae438ef7d56..83aa19471ad 100644
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/uninitialized_copy_n.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.copy/uninitialized_copy_n.pass.cpp
@@ -36,7 +36,7 @@ struct Nasty
     Nasty() : i_ ( counter_++ ) {}
     Nasty * operator &() const { return NULL; }
     int i_;
-    static int counter_; 
+    static int counter_;
 };
 
 int Nasty::counter_ = 0;
diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.fill.n/uninitialized_fill_n.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.fill.n/uninitialized_fill_n.pass.cpp
index 22aa8b98b8c..5f90a379206 100644
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.fill.n/uninitialized_fill_n.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.fill.n/uninitialized_fill_n.pass.cpp
@@ -35,7 +35,7 @@ struct Nasty
     Nasty() : i_ ( counter_++ ) {}
     Nasty * operator &() const { return NULL; }
     int i_;
-    static int counter_; 
+    static int counter_;
 };
 
 int Nasty::counter_ = 0;
diff --git a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.fill/uninitialized_fill.pass.cpp b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.fill/uninitialized_fill.pass.cpp
index 95c45dd5054..3816a252868 100644
--- a/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.fill/uninitialized_fill.pass.cpp
+++ b/libcxx/test/std/utilities/memory/specialized.algorithms/uninitialized.fill/uninitialized_fill.pass.cpp
@@ -36,7 +36,7 @@ struct Nasty
     Nasty() : i_ ( counter_++ ) {}
     Nasty * operator &() const { return NULL; }
     int i_;
-    static int counter_; 
+    static int counter_;
 };
 
 int Nasty::counter_ = 0;
diff --git a/libcxx/test/std/utilities/memory/unique.ptr/unique.ptr.create/make_unique.array.pass.cpp b/libcxx/test/std/utilities/memory/unique.ptr/unique.ptr.create/make_unique.array.pass.cpp
index a1e71796c28..30b4ecb94e1 100644
--- a/libcxx/test/std/utilities/memory/unique.ptr/unique.ptr.create/make_unique.array.pass.cpp
+++ b/libcxx/test/std/utilities/memory/unique.ptr/unique.ptr.create/make_unique.array.pass.cpp
@@ -29,13 +29,13 @@ int main()
     for ( int i = 0; i < 5; ++i )
         assert ( p1[i] == 0 );
     }
-    
+
     {
     auto p2 = std::make_unique<std::string[]>(5);
     for ( int i = 0; i < 5; ++i )
         assert ( p2[i].size () == 0 );
     }
-    
+
     {
     auto p3 = std::make_unique<foo[]>(7);
     for ( int i = 0; i < 7; ++i )
diff --git a/libcxx/test/std/utilities/memory/unique.ptr/unique.ptr.create/make_unique.array4.fail.cpp b/libcxx/test/std/utilities/memory/unique.ptr/unique.ptr.create/make_unique.array4.fail.cpp
index 26eb59bbfd7..07aa659bd9b 100644
--- a/libcxx/test/std/utilities/memory/unique.ptr/unique.ptr.create/make_unique.array4.fail.cpp
+++ b/libcxx/test/std/utilities/memory/unique.ptr/unique.ptr.create/make_unique.array4.fail.cpp
@@ -13,5 +13,5 @@
 
 int main()
 {
-    auto up4 = std::make_unique<int[5]>(11, 22, 33, 44, 55); // deleted 
+    auto up4 = std::make_unique<int[5]>(11, 22, 33, 44, 55); // deleted
 }
diff --git a/libcxx/test/std/utilities/memory/unique.ptr/unique.ptr.create/make_unique.single.pass.cpp b/libcxx/test/std/utilities/memory/unique.ptr/unique.ptr.create/make_unique.single.pass.cpp
index eddebdcc7fe..ace2e4fc713 100644
--- a/libcxx/test/std/utilities/memory/unique.ptr/unique.ptr.create/make_unique.single.pass.cpp
+++ b/libcxx/test/std/utilities/memory/unique.ptr/unique.ptr.create/make_unique.single.pass.cpp
@@ -20,7 +20,7 @@ int main()
     p1 = std::make_unique<int> ();
     assert ( *p1 == 0 );
     }
-    
+
     {
     std::unique_ptr<std::string> p2 = std::make_unique<std::string> ( "Meow!" );
     assert ( *p2 == "Meow!" );
diff --git a/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared/test_deleter.h b/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared/test_deleter.h
index 0263061b3a8..bae1e013f57 100644
--- a/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared/test_deleter.h
+++ b/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared/test_deleter.h
@@ -52,7 +52,7 @@ public:
     void set_state(int i) {state_ = i;}
 
     void operator()(T* p) {assert(state_ >= 0); ++dealloc_count; delete p;}
-   
+
     test_deleter* operator&() const DELETE_FUNCTION;
 };
 
diff --git a/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.const/unique_ptr.pass.cpp b/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.const/unique_ptr.pass.cpp
index c62fcd68932..023c5c1eca6 100644
--- a/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.const/unique_ptr.pass.cpp
+++ b/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.const/unique_ptr.pass.cpp
@@ -112,5 +112,5 @@ int main()
     std::shared_ptr<int> p2(std::move(p)); // should not call deleter when going out of scope
     }
 #endif
-    
+
 }
diff --git a/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/make_shared.volatile.pass.cpp b/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/make_shared.volatile.pass.cpp
index 1045f9347b3..59cd3d24863 100644
--- a/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/make_shared.volatile.pass.cpp
+++ b/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/make_shared.volatile.pass.cpp
@@ -34,7 +34,7 @@ void test(const T &t0)
     assert(*p0 == t0);
     assert(*p1 == t1);
     }
-    
+
     {
     volatile T t1 = t0;
     std::shared_ptr<volatile T> p0 = std::make_shared<volatile T>(t0);
@@ -50,7 +50,7 @@ void test(const T &t0)
     assert(*p0 == t0);
     assert(*p1 == t1);
     }
-    
+
 }
 
 int main()
diff --git a/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.ownerless/owner_less.pass.cpp b/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.ownerless/owner_less.pass.cpp
index bf1719c66ff..142eba2d964 100644
--- a/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.ownerless/owner_less.pass.cpp
+++ b/libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.ownerless/owner_less.pass.cpp
@@ -30,7 +30,7 @@
 //     bool operator()(shared_ptr<T> const&, weak_ptr<T> const&) const;
 //     bool operator()(weak_ptr<T> const&, shared_ptr<T> const&) const;
 // };
-// 
+//
 // Added in C++17
 // template<> struct owner_less<void>
 // {
@@ -42,7 +42,7 @@
 //         bool operator()(weak_ptr<T> const&, shared_ptr<U> const&) const;
 //     template<class T, class U>
 //         bool operator()(weak_ptr<T> const&, weak_ptr<U> const&) const;
-// 
+//
 //     typedef unspecified is_transparent;
 // };
 
@@ -113,7 +113,7 @@ int main()
     cmp(wp1, wp1);
     }
     {
-    // test heterogeneous lookups 
+    // test heterogeneous lookups
     std::set<std::shared_ptr<X>, std::owner_less<>> s;
     std::shared_ptr<void> vp;
     s.find(vp);
diff --git a/libcxx/test/std/utilities/meta/meta.logical/conjunction.pass.cpp b/libcxx/test/std/utilities/meta/meta.logical/conjunction.pass.cpp
index dce58ec2372..d8dd386e934 100644
--- a/libcxx/test/std/utilities/meta/meta.logical/conjunction.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.logical/conjunction.pass.cpp
@@ -11,7 +11,7 @@
 // type_traits
 
 // template<class... B> struct conjunction;                           // C++17
-// template<class... B> 
+// template<class... B>
 //   constexpr bool conjunction_v = conjunction<B...>::value;         // C++17
 
 #include <type_traits>
@@ -34,7 +34,7 @@ int main()
     static_assert (!std::conjunction<std::true_type,  std::false_type>::value, "" );
     static_assert (!std::conjunction<std::false_type, std::true_type >::value, "" );
     static_assert (!std::conjunction<std::false_type, std::false_type>::value, "" );
-    
+
     static_assert ( std::conjunction_v<std::true_type,  std::true_type >, "" );
     static_assert (!std::conjunction_v<std::true_type,  std::false_type>, "" );
     static_assert (!std::conjunction_v<std::false_type, std::true_type >, "" );
diff --git a/libcxx/test/std/utilities/meta/meta.logical/disjunction.pass.cpp b/libcxx/test/std/utilities/meta/meta.logical/disjunction.pass.cpp
index 13cd9341b99..f5ba178d648 100644
--- a/libcxx/test/std/utilities/meta/meta.logical/disjunction.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.logical/disjunction.pass.cpp
@@ -11,7 +11,7 @@
 // type_traits
 
 // template<class... B> struct disjunction;                           // C++17
-// template<class... B> 
+// template<class... B>
 //   constexpr bool disjunction_v = disjunction<B...>::value;         // C++17
 
 #include <type_traits>
@@ -34,7 +34,7 @@ int main()
     static_assert ( std::disjunction<std::true_type,  std::false_type>::value, "" );
     static_assert ( std::disjunction<std::false_type, std::true_type >::value, "" );
     static_assert (!std::disjunction<std::false_type, std::false_type>::value, "" );
-    
+
     static_assert ( std::disjunction_v<std::true_type,  std::true_type >, "" );
     static_assert ( std::disjunction_v<std::true_type,  std::false_type>, "" );
     static_assert ( std::disjunction_v<std::false_type, std::true_type >, "" );
diff --git a/libcxx/test/std/utilities/meta/meta.logical/negation.pass.cpp b/libcxx/test/std/utilities/meta/meta.logical/negation.pass.cpp
index 76ff6c5b24d..7b4eb27a75e 100644
--- a/libcxx/test/std/utilities/meta/meta.logical/negation.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.logical/negation.pass.cpp
@@ -11,7 +11,7 @@
 // type_traits
 
 // template<class B> struct negation;                        // C++17
-// template<class B> 
+// template<class B>
 //   constexpr bool negation_v = negation<B>::value;         // C++17
 
 #include <type_traits>
diff --git a/libcxx/test/std/utilities/meta/meta.rel/is_convertible.pass.cpp b/libcxx/test/std/utilities/meta/meta.rel/is_convertible.pass.cpp
index 92f7a5d6cb9..552c16075da 100644
--- a/libcxx/test/std/utilities/meta/meta.rel/is_convertible.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.rel/is_convertible.pass.cpp
@@ -198,7 +198,7 @@ int main()
     test_is_not_convertible<char, Array&> ();
 
     test_is_convertible<char, char> ();
-    
+
     static_assert((!std::is_convertible<char, char&>::value), "");
     static_assert(( std::is_convertible<char, const char&>::value), "");
     static_assert((!std::is_convertible<const char, char&>::value), "");
@@ -215,7 +215,7 @@ int main()
     test_is_not_convertible<char&, Array&> ();
 
     test_is_convertible<char&, char> ();
-    
+
     static_assert(( std::is_convertible<char&, char&>::value), "");
     static_assert(( std::is_convertible<char&, const char&>::value), "");
     static_assert((!std::is_convertible<const char&, char&>::value), "");
@@ -233,7 +233,7 @@ int main()
 
     test_is_not_convertible<char*, char> ();
     test_is_not_convertible<char*, char&> ();
-    
+
     static_assert(( std::is_convertible<char*, char*>::value), "");
     static_assert(( std::is_convertible<char*, const char*>::value), "");
     static_assert((!std::is_convertible<const char*, char*>::value), "");
diff --git a/libcxx/test/std/utilities/meta/meta.trans/meta.trans.ptr/add_pointer.pass.cpp b/libcxx/test/std/utilities/meta/meta.trans/meta.trans.ptr/add_pointer.pass.cpp
index 56acfc49645..51b3e5d7368 100644
--- a/libcxx/test/std/utilities/meta/meta.trans/meta.trans.ptr/add_pointer.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.trans/meta.trans.ptr/add_pointer.pass.cpp
@@ -11,7 +11,7 @@
 
 // add_pointer
 // If T names a referenceable type or a (possibly cv-qualified) void type then
-//    the member typedef type shall name the same type as remove_reference_t<T>*; 
+//    the member typedef type shall name the same type as remove_reference_t<T>*;
 //    otherwise, type shall name T.
 
 #include <type_traits>
diff --git a/libcxx/test/std/utilities/meta/meta.unary.prop.query/void_t.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary.prop.query/void_t.pass.cpp
index ccec65fec39..05ef99d0ebf 100644
--- a/libcxx/test/std/utilities/meta/meta.unary.prop.query/void_t.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary.prop.query/void_t.pass.cpp
@@ -57,7 +57,7 @@ int main()
     test1<Class>();
     test1<Class[]>();
     test1<Class[5]>();
-    
+
     test2<void, int>();
     test2<double, int>();
     test2<int&, int>();
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.cat/is_array.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.cat/is_array.pass.cpp
index 5285886e9dc..fb8df8c3c04 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.cat/is_array.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.cat/is_array.pass.cpp
@@ -12,7 +12,7 @@
 // is_array
 
 #include <type_traits>
-#include <cstddef>        // for std::nullptr_t 
+#include <cstddef>        // for std::nullptr_t
 #include "test_macros.h"
 
 template <class T>
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.cat/is_function.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.cat/is_function.pass.cpp
index cb5849f45f3..32e4f06beb0 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.cat/is_function.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.cat/is_function.pass.cpp
@@ -78,7 +78,7 @@ int main()
 	test_is_function<int(int, double)>();
 	test_is_function<int(Abstract *)>();
 	test_is_function<void(...)>();
-	
+
     test_is_not_function<std::nullptr_t>();
     test_is_not_function<void>();
     test_is_not_function<int>();
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_fundamental.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_fundamental.pass.cpp
index e16337e05f1..2c9ce68d24c 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_fundamental.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_fundamental.pass.cpp
@@ -94,7 +94,7 @@ int main()
 	test_is_fundamental<long double>();
 	test_is_fundamental<char16_t>();
 	test_is_fundamental<char32_t>();
-	
+
     test_is_not_fundamental<char[3]>();
     test_is_not_fundamental<char[]>();
     test_is_not_fundamental<void *>();
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_member_pointer.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_member_pointer.pass.cpp
index 890da659e21..44b29df0146 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_member_pointer.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_member_pointer.pass.cpp
@@ -73,9 +73,9 @@ typedef void (*FunctionPtr)();
 
 int main()
 {
-//  Arithmetic types (3.9.1), enumeration types, pointer types, pointer to member types (3.9.2), 
-//    std::nullptr_t, and cv-qualified versions of these types (3.9.3) 
-//    are collectively called scalar types. 
+//  Arithmetic types (3.9.1), enumeration types, pointer types, pointer to member types (3.9.2),
+//    std::nullptr_t, and cv-qualified versions of these types (3.9.3)
+//    are collectively called scalar types.
 
     test_is_member_pointer<int Empty::*>();
     test_is_member_pointer<void (Empty::*)(int)>();
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_object.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_object.pass.cpp
index ff7dda30d11..6e93e518a75 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_object.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_object.pass.cpp
@@ -73,7 +73,7 @@ typedef void (*FunctionPtr)();
 
 int main()
 {
-// An object type is a (possibly cv-qualified) type that is not a function type, 
+// An object type is a (possibly cv-qualified) type that is not a function type,
 // not a reference type, and not a void type.
 
     test_is_object<std::nullptr_t>();
@@ -87,7 +87,7 @@ int main()
     test_is_object<const int*>();
     test_is_object<Enum>();
     test_is_object<Empty>();
-    test_is_object<bit_zero>();	
+    test_is_object<bit_zero>();
     test_is_object<NotEmpty>();
     test_is_object<Abstract>();
     test_is_object<FunctionPtr>();
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_scalar.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_scalar.pass.cpp
index 2b412a68833..7cdfc301c81 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_scalar.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.comp/is_scalar.pass.cpp
@@ -73,9 +73,9 @@ typedef void (*FunctionPtr)();
 
 int main()
 {
-//  Arithmetic types (3.9.1), enumeration types, pointer types, pointer to member types (3.9.2), 
-//    std::nullptr_t, and cv-qualified versions of these types (3.9.3) 
-//    are collectively called scalar types. 
+//  Arithmetic types (3.9.1), enumeration types, pointer types, pointer to member types (3.9.2),
+//    std::nullptr_t, and cv-qualified versions of these types (3.9.3)
+//    are collectively called scalar types.
 
     test_is_scalar<std::nullptr_t>();
     test_is_scalar<short>();
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_assignable.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_assignable.pass.cpp
index c0f6bb9bdfa..b734a1aa60d 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_assignable.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_assignable.pass.cpp
@@ -77,7 +77,7 @@ int main()
     test_is_not_assignable<void, const void> ();
     test_is_not_assignable<const void, const void> ();
     test_is_not_assignable<int(), int> ();
-    
+
 //  pointer to incomplete template type
 	test_is_assignable<X<D>*&, X<D>*> ();
 }
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_constructible.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_constructible.pass.cpp
index 57a73cace08..c0dbdd7783d 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_constructible.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_constructible.pass.cpp
@@ -21,7 +21,7 @@ struct A
 {
     explicit A(int);
     A(int, double);
-#if __has_feature(cxx_access_control_sfinae) 
+#if __has_feature(cxx_access_control_sfinae)
 private:
 #endif
     A(char);
@@ -91,7 +91,7 @@ int main()
     test_is_constructible<int&, int&> ();
 
     test_is_not_constructible<A> ();
-#if __has_feature(cxx_access_control_sfinae) 
+#if __has_feature(cxx_access_control_sfinae)
     test_is_not_constructible<A, char> ();
 #else
     test_is_constructible<A, char> ();
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_copy_assignable.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_copy_assignable.pass.cpp
index 421f865a623..ca4f4bd93f5 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_copy_assignable.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_copy_assignable.pass.cpp
@@ -79,7 +79,7 @@ int main()
     test_is_not_copy_assignable<int[]> ();
     test_is_not_copy_assignable<int[3]> ();
 #endif
-#if __has_feature(cxx_access_control_sfinae) 
+#if __has_feature(cxx_access_control_sfinae)
     test_is_not_copy_assignable<B> ();
 #endif
     test_is_not_copy_assignable<void> ();
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_copy_constructible.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_copy_constructible.pass.cpp
index fe2e01429b2..e9b54b6606d 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_copy_constructible.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_copy_constructible.pass.cpp
@@ -89,7 +89,7 @@ int main()
     test_is_not_copy_constructible<void>();
     test_is_not_copy_constructible<Abstract>();
     test_is_not_copy_constructible<C>();
-#if __has_feature(cxx_access_control_sfinae) 
+#if __has_feature(cxx_access_control_sfinae)
     test_is_not_copy_constructible<B>();
 #endif
 }
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_default_constructible.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_default_constructible.pass.cpp
index 7b46eeaab66..7ff721c7c98 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_default_constructible.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_default_constructible.pass.cpp
@@ -100,7 +100,7 @@ int main()
     test_is_not_default_constructible<char[]>();
     test_is_not_default_constructible<Abstract>();
     test_is_not_default_constructible<NoDefaultConstructor>();
-#if __has_feature(cxx_access_control_sfinae) 
+#if __has_feature(cxx_access_control_sfinae)
     test_is_not_default_constructible<B>();
 #endif
 }
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_final.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_final.pass.cpp
index 1bb79c671f7..5a440598bb0 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_final.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_final.pass.cpp
@@ -53,10 +53,10 @@ int main ()
 {
     test_is_not_final<int>();
     test_is_not_final<int*>();
-    test_is_final    <P>(); 
-    test_is_not_final<P*>();    
+    test_is_final    <P>();
+    test_is_not_final<P*>();
     test_is_not_final<U1>();
     test_is_not_final<U1*>();
-    test_is_final    <U2>();    
-    test_is_not_final<U2*>();   
+    test_is_final    <U2>();
+    test_is_not_final<U2*>();
 }
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_nothrow_constructible.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_nothrow_constructible.pass.cpp
index c778a5d24b2..8200b468fe3 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_nothrow_constructible.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_nothrow_constructible.pass.cpp
@@ -107,7 +107,7 @@ int main()
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     test_is_nothrow_constructible<Tuple &&, Empty> (); // See bug #19616.
 #endif
-    
+
     test_is_not_nothrow_constructible<A, int> ();
     test_is_not_nothrow_constructible<A, int, double> ();
     test_is_not_nothrow_constructible<A> ();
diff --git a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_polymorphic.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_polymorphic.pass.cpp
index b66e7a296f3..338a6d5a601 100644
--- a/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_polymorphic.pass.cpp
+++ b/libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_polymorphic.pass.cpp
@@ -65,7 +65,7 @@ class Abstract
     virtual ~Abstract() = 0;
 };
 
-#if __has_feature(cxx_attributes) 
+#if __has_feature(cxx_attributes)
 class Final final {
 };
 #else
diff --git a/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals.pass.cpp b/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals.pass.cpp
index d9af1074ca3..d5c0207c0ee 100644
--- a/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals.pass.cpp
+++ b/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals.pass.cpp
@@ -25,12 +25,12 @@ int main()
     static_assert ( std::is_same<decltype( 3ms  ), std::chrono::milliseconds>::value, "" );
     static_assert ( std::is_same<decltype( 3us  ), std::chrono::microseconds>::value, "" );
     static_assert ( std::is_same<decltype( 3ns  ), std::chrono::nanoseconds>::value, "" );
-    
+
     std::chrono::hours h = 4h;
     assert ( h == std::chrono::hours(4));
     auto h2 = 4.0h;
     assert ( h == h2 );
-    
+
     std::chrono::minutes min = 36min;
     assert ( min == std::chrono::minutes(36));
     auto min2 = 36.0min;
diff --git a/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals1.pass.cpp b/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals1.pass.cpp
index a2821591e40..5e59e115378 100644
--- a/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals1.pass.cpp
+++ b/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals1.pass.cpp
@@ -20,7 +20,7 @@ int main()
     assert ( h == hours(4));
     auto h2 = 4.0h;
     assert ( h == h2 );
-    
+
     minutes min = 36min;
     assert ( min == minutes(36));
     auto min2 = 36.0min;
diff --git a/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals2.pass.cpp b/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals2.pass.cpp
index 327c26fbf6a..282b1c6572e 100644
--- a/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals2.pass.cpp
+++ b/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals2.pass.cpp
@@ -22,7 +22,7 @@ int main()
     assert ( h == std::chrono::hours(4));
     auto h2 = 4.0h;
     assert ( h == h2 );
-    
+
     std::chrono::minutes min = 36min;
     assert ( min == std::chrono::minutes(36));
     auto min2 = 36.0min;
diff --git a/libcxx/test/std/utilities/time/time.point/time.point.comparisons/op_equal.pass.cpp b/libcxx/test/std/utilities/time/time.point/time.point.comparisons/op_equal.pass.cpp
index fbd3a1386d3..a37bb266a0a 100644
--- a/libcxx/test/std/utilities/time/time.point/time.point.comparisons/op_equal.pass.cpp
+++ b/libcxx/test/std/utilities/time/time.point/time.point.comparisons/op_equal.pass.cpp
@@ -54,7 +54,7 @@ int main()
     assert(!(t1 == t2));
     assert( (t1 != t2));
     }
-    
+
 #if _LIBCPP_STD_VER > 11
     {
     constexpr T1 t1(Duration1(3));
diff --git a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/const_Types.pass.cpp b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/const_Types.pass.cpp
index 1d43a974f25..367f19e5d8d 100644
--- a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/const_Types.pass.cpp
+++ b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/const_Types.pass.cpp
@@ -86,7 +86,7 @@ int main()
         std::tuple<int> t(2);
         assert(std::get<0>(t) == 2);
     }
-#if _LIBCPP_STD_VER > 11 
+#if _LIBCPP_STD_VER > 11
     {
         constexpr std::tuple<int> t(2);
         static_assert(std::get<0>(t) == 2, "");
@@ -101,7 +101,7 @@ int main()
         assert(std::get<0>(t) == 2);
         assert(std::get<1>(t) == nullptr);
     }
-#if _LIBCPP_STD_VER > 11 
+#if _LIBCPP_STD_VER > 11
     {
         constexpr std::tuple<int, char*> t(2, nullptr);
         static_assert(std::get<0>(t) == 2, "");
diff --git a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/const_pair.pass.cpp b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/const_pair.pass.cpp
index 740b6589e51..d6d489fd0ea 100644
--- a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/const_pair.pass.cpp
+++ b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/const_pair.pass.cpp
@@ -29,7 +29,7 @@ int main()
         assert(std::get<0>(t1) == 2);
         assert(std::get<1>(t1) == short('a'));
     }
-#if _LIBCPP_STD_VER > 11 
+#if _LIBCPP_STD_VER > 11
     {
         typedef std::pair<double, char> P0;
         typedef std::tuple<int, short> T1;
diff --git a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/convert_copy.pass.cpp b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/convert_copy.pass.cpp
index e176bc84f79..b7fa2e3a03c 100644
--- a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/convert_copy.pass.cpp
+++ b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/convert_copy.pass.cpp
@@ -43,7 +43,7 @@ struct D
     explicit D(int i) : B(i) {}
 };
 
-#if _LIBCPP_STD_VER > 11 
+#if _LIBCPP_STD_VER > 11
 
 struct A
 {
@@ -72,7 +72,7 @@ int main()
         T1 t1 = t0;
         assert(std::get<0>(t1) == 2);
     }
-#if _LIBCPP_STD_VER > 11 
+#if _LIBCPP_STD_VER > 11
     {
         typedef std::tuple<double> T0;
         typedef std::tuple<A> T1;
diff --git a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.creation/forward_as_tuple.pass.cpp b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.creation/forward_as_tuple.pass.cpp
index 26c3da7af05..2dbe81513a1 100644
--- a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.creation/forward_as_tuple.pass.cpp
+++ b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.creation/forward_as_tuple.pass.cpp
@@ -56,7 +56,7 @@ test2a(const Tuple& t)
 
 #if _LIBCPP_STD_VER > 11
 template <class Tuple>
-constexpr int 
+constexpr int
 test3(const Tuple&)
 {
     return std::tuple_size<Tuple>::value;
diff --git a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.creation/make_tuple.pass.cpp b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.creation/make_tuple.pass.cpp
index 2ee96dc7ebf..f27e8a09fb9 100644
--- a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.creation/make_tuple.pass.cpp
+++ b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.creation/make_tuple.pass.cpp
@@ -40,7 +40,7 @@ int main()
         assert(i == 0);
         assert(j == 0);
     }
-#if _LIBCPP_STD_VER > 11 
+#if _LIBCPP_STD_VER > 11
     {
         constexpr auto t1 = std::make_tuple(0, 1, 3.14);
         constexpr int i1 = std::get<1>(t1);
diff --git a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.elem/get_const.pass.cpp b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.elem/get_const.pass.cpp
index e21768cb6f5..002ad148ad6 100644
--- a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.elem/get_const.pass.cpp
+++ b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.elem/get_const.pass.cpp
@@ -36,7 +36,7 @@ int main()
         assert(std::get<0>(t) == "high");
         assert(std::get<1>(t) == 5);
     }
-#if _LIBCPP_STD_VER > 11 
+#if _LIBCPP_STD_VER > 11
     {
         typedef std::tuple<double, int> T;
         constexpr T t(2.718, 5);
diff --git a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.elem/get_non_const.pass.cpp b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.elem/get_non_const.pass.cpp
index 1c2b17ad883..5306fd08729 100644
--- a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.elem/get_non_const.pass.cpp
+++ b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.elem/get_non_const.pass.cpp
@@ -69,7 +69,7 @@ int main()
         assert(std::get<2>(t) == 4);
         assert(d == 2.5);
     }
-#if _LIBCPP_STD_VER > 11 
+#if _LIBCPP_STD_VER > 11
     { // get on an rvalue tuple
         static_assert ( std::get<0> ( std::make_tuple ( 0.0f, 1, 2.0, 3L )) == 0, "" );
         static_assert ( std::get<1> ( std::make_tuple ( 0.0f, 1, 2.0, 3L )) == 1, "" );
diff --git a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.helper/tuple.include.array.pass.cpp b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.helper/tuple.include.array.pass.cpp
index d8a72c617cb..57da4b04cdf 100644
--- a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.helper/tuple.include.array.pass.cpp
+++ b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.helper/tuple.include.array.pass.cpp
@@ -18,7 +18,7 @@
 //     typedef Ti type;
 // };
 //
-//  LWG #2212 says that tuple_size and tuple_element must be 
+//  LWG #2212 says that tuple_size and tuple_element must be
 //     available after including <utility>
 
 #include <array>
diff --git a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.helper/tuple.include.utility.pass.cpp b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.helper/tuple.include.utility.pass.cpp
index 0132fc2f276..bd015ab5bbd 100644
--- a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.helper/tuple.include.utility.pass.cpp
+++ b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.helper/tuple.include.utility.pass.cpp
@@ -15,7 +15,7 @@
 //   class tuple_size<tuple<Types...>>
 //     : public integral_constant<size_t, sizeof...(Types)> { };
 //
-//  LWG #2212 says that tuple_size and tuple_element must be 
+//  LWG #2212 says that tuple_size and tuple_element must be
 //     available after including <utility>
 
 #include <cstddef>
diff --git a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.rel/eq.pass.cpp b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.rel/eq.pass.cpp
index 0d25edc4547..e5991df636f 100644
--- a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.rel/eq.pass.cpp
+++ b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.rel/eq.pass.cpp
@@ -143,7 +143,7 @@ int main()
         assert(!(t1 == t2));
         assert(t1 != t2);
     }
-#if _LIBCPP_STD_VER > 11 
+#if _LIBCPP_STD_VER > 11
     {
         typedef std::tuple<char, int, double> T1;
         typedef std::tuple<double, char, int> T2;
diff --git a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.rel/lt.pass.cpp b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.rel/lt.pass.cpp
index eac84a9c35f..34aafb1e134 100644
--- a/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.rel/lt.pass.cpp
+++ b/libcxx/test/std/utilities/tuple/tuple.tuple/tuple.rel/lt.pass.cpp
@@ -195,7 +195,7 @@ int main()
         assert(!(t1 >  t2));
         assert(!(t1 >= t2));
     }
-#if _LIBCPP_STD_VER > 11 
+#if _LIBCPP_STD_VER > 11
     {
         typedef std::tuple<char, int, double> T1;
         typedef std::tuple<double, char, int> T2;
diff --git a/libcxx/test/std/utilities/utility/as_const/as_const.pass.cpp b/libcxx/test/std/utilities/utility/as_const/as_const.pass.cpp
index ff3f84a5532..7bb5849d0bd 100644
--- a/libcxx/test/std/utilities/utility/as_const/as_const.pass.cpp
+++ b/libcxx/test/std/utilities/utility/as_const/as_const.pass.cpp
@@ -27,7 +27,7 @@ void test(T& t)
     static_assert(std::is_const<typename std::remove_reference<decltype(std::as_const<const          T>(t))>::type>::value, "");
     static_assert(std::is_const<typename std::remove_reference<decltype(std::as_const<volatile       T>(t))>::type>::value, "");
     static_assert(std::is_const<typename std::remove_reference<decltype(std::as_const<const volatile T>(t))>::type>::value, "");
-    
+
     assert(std::as_const(t) == t);
     assert(std::as_const<               T>(t) == t);
     assert(std::as_const<const          T>(t) == t);
diff --git a/libcxx/test/std/utilities/utility/exchange/exchange.pass.cpp b/libcxx/test/std/utilities/utility/exchange/exchange.pass.cpp
index c4952f7ac13..5ef0ac3b09f 100644
--- a/libcxx/test/std/utilities/utility/exchange/exchange.pass.cpp
+++ b/libcxx/test/std/utilities/utility/exchange/exchange.pass.cpp
@@ -27,7 +27,7 @@ int main()
 
     assert ((std::exchange<int, float> ( v, {} )) == 67 );
     assert ( v == 0 );
-    
+
     }
 
     {
@@ -48,7 +48,7 @@ int main()
     s3 = s2; // Dad
     assert ( std::exchange ( s3, {} ) == s2 );
     assert ( s3.size () == 0 );
-    
+
     s3 = s2; // Dad
     assert ( std::exchange ( s3, "" ) == s2 );
     assert ( s3.size () == 0 );