[PATCH] D18347: [PATCH] Fix thread_annotation negtest for thread safety.

[Eric Fiselier via cfe-commits]

EricWF added a comment.

And looking at the current state of the single-threaded test suite this isn't the only test that needs this fix applied.

http://lab.llvm.org:8011/builders/libcxx-libcxxabi-singlethreaded-x86_64-linux-debian/builds/869


http://reviews.llvm.org/D18347