Commit Graph

1 Commits

Author SHA1 Message Date
Eric Fiselier
250205c9d2 Add std::is_constant_evaluated.
Clang recently added __builtin_is_constant_evaluated() and GCC 9.0
has it as well.

This patch adds support for it in libc++.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@359119 91177308-0d34-0410-b5e6-96231b3b80d8
2019-04-24 17:54:25 +00:00