Fix unused parameters and variables

llvm-svn: 290459

2 files changed, 25 insertions, 1 deletions

diff --git a/libcxx/test/std/utilities/function.objects/bind/func.bind/func.bind.bind/invoke_function_object.pass.cpp b/libcxx/test/std/utilities/function.objects/bind/func.bind/func.bind.bind/invoke_function_object.pass.cpp
index a0c686de77b..180433109f2 100644
--- a/libcxx/test/std/utilities/function.objects/bind/func.bind/func.bind.bind/invoke_function_object.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/bind/func.bind/func.bind.bind/invoke_function_object.pass.cpp
@@ -29,7 +29,7 @@ struct DummyUnaryFunction
 struct BadUnaryFunction
 {
     template <typename S>
-    constexpr int operator()(S const & s) const
+    constexpr int operator()(S const &) const
     {
         // Trigger a compile error if this function is instantiated.
         // The constexpr is needed so that it is instantiated while checking
diff --git a/libcxx/test/std/utilities/function.objects/bind/func.bind/func.bind.place/placeholders.pass.cpp b/libcxx/test/std/utilities/function.objects/bind/func.bind/func.bind.place/placeholders.pass.cpp
index 68986ac1aeb..c1f2899f153 100644
--- a/libcxx/test/std/utilities/function.objects/bind/func.bind/func.bind.place/placeholders.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/bind/func.bind/func.bind.place/placeholders.pass.cpp
@@ -56,8 +56,32 @@ constexpr decltype(std::placeholders::_9)  cp9 = std::placeholders::_9;
 constexpr decltype(std::placeholders::_10) cp10 = std::placeholders::_10;
 #endif // TEST_STD_VER >= 11
 
+void use_placeholders_to_prevent_unused_warning() {
+  ((void)cp1);
+  ((void)cp2);
+  ((void)cp3);
+  ((void)cp4);
+  ((void)cp5);
+  ((void)cp6);
+  ((void)cp7);
+  ((void)cp8);
+  ((void)cp9);
+  ((void)cp10);
+  ((void)default1);
+  ((void)default2);
+  ((void)default3);
+  ((void)default4);
+  ((void)default5);
+  ((void)default6);
+  ((void)default7);
+  ((void)default8);
+  ((void)default9);
+  ((void)default10);
+}
+
 int main()
 {
+    use_placeholders_to_prevent_unused_warning();
     test(std::placeholders::_1);
     test(std::placeholders::_2);
     test(std::placeholders::_3);