Mark the newly added '__libcpp_is_constant_evaluated' as 'inline', since it can be included multiple times by multiple headers, and we don't want 'duplicate definition' errors.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@364879 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed