[OpenMP][Fix] Conditional compilation leaves variables unused

Summary: Prevent variables from being left unused by conditional compilation.

Reviewers: ABataev, grokos, Hahnfeld, caomhin, protze.joachim

Reviewed By: Hahnfeld

Subscribers: guansong, openmp-commits

Differential Revision: https://reviews.llvm.org/D51303

git-svn-id: https://llvm.org/svn/llvm-project/openmp/trunk@340771 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed