Use TEST_STD_VER instead of __has_feature to detect noexcept. This fixes the test with GCC.
Use TEST_STD_VER instead of __has_feature to detect noexcept. This fixes the test with GCC.

git-svn-id: 756ef344af921d95d562d9e9f9389127a89a6314@258292 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/libcxx,llvm-mirror/libcxx,llvm-mirror/libcxx,llvm-mirror/libcxx,llvm-mirror/libcxx