Improve the "braces around scalar init" warning to determine whether to warn

based on whether "redundant" braces are ever reasonable as part of the
initialization of the entity, rather than whether the initialization is
"top-level". In passing, add a warning flag for it.

llvm-svn: 228896

1 files changed, 1 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/cxx0x-initializer-constructor.cpp b/clang/test/SemaCXX/cxx0x-initializer-constructor.cpp
index 0cd5aa7401a..6202bf620fe 100644
--- a/clang/test/SemaCXX/cxx0x-initializer-constructor.cpp
+++ b/clang/test/SemaCXX/cxx0x-initializer-constructor.cpp
@@ -142,6 +142,7 @@ namespace objects {
 
     one ov2(int);
     two ov2(F<3>);
+    // expected-warning@+1 {{braces around scalar initializer}}
     static_assert(sizeof(ov2({1})) == sizeof(one), "bad overload"); // list -> int ranks as identity
     static_assert(sizeof(ov2({1, 2, 3})) == sizeof(two), "bad overload"); // list -> F only viable
   }