tree 9632b0f0ef712f0388f72aebd1c5d31cfc1cc307
parent 4df92eda05cd22bfd4a97f4ce821b97cad57f4f7
author Andrey Churbanov <Andrey.Churbanov@intel.com> 1561572686 +0000
committer Andrey Churbanov <Andrey.Churbanov@intel.com> 1561572686 +0000

Fixed memory use-after-free problem.

Bug reported in https://bugs.llvm.org/show_bug.cgi?id=42269.
Freeing of the contention group (CG) stucture by master thread looks wrong,
because workers can leave the CG later on. Intead the freeing
is now done by the last thread leaving the CG.

Differential Revision: https://reviews.llvm.org/D63599


git-svn-id: https://llvm.org/svn/llvm-project/openmp/trunk@364456 91177308-0d34-0410-b5e6-96231b3b80d8