[OMPT] Fix wrong parent_task_id in serialized parallel_begin with GCC

Without this patch a simple '#pragma omp parallel num_threads(1)' leads to
ompt_event_parallel_begin: parent_task_id=3, [...], parallel_id=2, [...]
ompt_event_parallel_end: parallel_id=2, task_id=4, [...]

Differential Revision: http://reviews.llvm.org/D16714

llvm-svn: 263940
GitOrigin-RevId: 6c250b714cf6ccee666ec30ecfb5cd2130d7de8f
1 file changed
tree: 35ceb0c6a6787f85fbfa7e2e6eaeaf60b3459820
  1. offload/
  2. runtime/
  3. testsuite/
  4. www/
  5. CMakeLists.txt
  6. CREDITS.txt
  7. LICENSE.txt