[llvm-bugs] [Bug 36772] New: release-lock code shows rare asserts and segfaults

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=36772

            Bug ID: 36772
           Summary: release-lock code shows rare asserts and segfaults
           Product: OpenMP
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Runtime Library
          Assignee: unassignedbugs at nondot.org
          Reporter: protze at itc.rwth-aachen.de
                CC: llvm-bugs at lists.llvm.org

Created attachment 20080
  --> https://bugs.llvm.org/attachment.cgi?id=20080&action=edit
Backtrace for the failed assertion

Testing current master (b0644ab) built with  `gcc (Ubuntu 7.2.0-8ubuntu3.2)
7.2.0` I saw a failing assertion for the omp_init_lock.c test.

With repeated executions under gdb, I could trigger a segmentation fault and
reproduce the assert.

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