[PATCH] D15380: [tsan] Update dispatch_group support to avoid using a disposed group object

[Kuba Brecka via llvm-commits]

kubabrecka updated this revision to Diff 42703.
kubabrecka added a comment.

Updating patch.


http://reviews.llvm.org/D15380

Files:
  lib/tsan/rtl/tsan_libdispatch_mac.cc
  test/tsan/Darwin/gcd-groups-stress.mm

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