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[Support] This sanity check in the test only works with certain versions

of libstdc++, not just certain versions of GCC. The original macros
broke when using Clang + libstdc++4.9 sadly.

Sadly, testing for versions of libstdc++ has been extremely problematic
in the past, so I'm just narrowing this down to Windows and when using
libc++ as that seems at least very unlikely to keep build bots broken.

llvm-svn: 336174
This commit is contained in:
Chandler Carruth 2018-07-03 07:51:01 +00:00
parent e6a4692668
commit a02b81d85f

View File

@ -26,7 +26,7 @@ void TrivialityTester() {
IsTriviallyMoveConstructible,
"Mismatch in expected trivial move construction!");
#if __clang__ || _MSC_VER || __GNUC__ > 5
#if defined(_LIBCPP_VERSION) || defined(_MSC_VER)
// On compilers with support for the standard traits, make sure they agree.
static_assert(std::is_trivially_copy_constructible<T>::value ==
IsTriviallyCopyConstructible,