[PATCH] D64571: [OPENMP]Fix threadid in __kmpc_omp_taskwait call for dependent target calls.

Mon Jul 20 08:32:48 PDT 2020

ABataev added a comment.

In D64571#2160362 <https://reviews.llvm.org/D64571#2160362>, @protze.joachim wrote:

> The test fails for me with segfault in line 22.
>
>   $ gdb target_depend_nowait.cpp.tmp-x86_64-pc-linux-gnu
>   (gdb) run
>   ...
>   Program received signal SIGSEGV, Segmentation fault.
>   (gdb) bt
>   #0  0x0000000000400fcf in .omp_outlined._debug__ (.global_tid.=0x2aaab96b9be0, .bound_tid.=0x2aaab96b9bd8) at target_depend_nowait.cpp:22
>   #1  0x0000000000401e8d in .omp_outlined..23 (.global_tid.=0x2aaab96b9be0, .bound_tid.=0x2aaab96b9bd8) at target_depend_nowait.cpp:18
>   #2  0x00002aaaab574213 in __kmp_invoke_microtask () from libomp.so
>   #3  0x00002aaaab51338e in __kmp_invoke_task_func () from libomp.so
>   #4  0x00002aaaab5126bf in __kmp_launch_thread () from libomp.so
>   #5  0x00002aaaab55d3d0 in __kmp_launch_worker(void*) () from libomp.so
>   #6  0x00002aaaabbd6e65 in start_thread () from libpthread.so.0
>   #7  0x00002aaaabee988d in clone () from libc.so.6
>

It is not the problem of this patch, looks like support for mappers causes failures

Repository:
  rL LLVM

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  https://reviews.llvm.org/D64571/new/

https://reviews.llvm.org/D64571