tree bb78f1764a455af25a7202b99b63e9d8c6908964
parent 9d191f041cbf741552d5c958f2e8388a71aa60ea
author Taewook Oh <twoh@fb.com> 1549646150 +0000
committer Taewook Oh <twoh@fb.com> 1549646150 +0000

Guard a feature that unsupported by old GCC

Summary:
As @david2050 commented, changes introduced by https://reviews.llvm.org/D56397 break builds for older compilers
which don't support `__has(_cpp)_attribute`. This is a fix for the break.

Reviewers: protze.joachim, jlpeyton, AndreyChurbanov, Hahnfeld, david2050

Subscribers: openmp-commits, david2050

Tags: #openmp

Differential Revision: https://reviews.llvm.org/D57851

git-svn-id: https://llvm.org/svn/llvm-project/openmp/trunk@353538 91177308-0d34-0410-b5e6-96231b3b80d8