[llvm-bugs] [Bug 49631] New: [OpenMP] execution of OpenMP applications break with assertion in the OpenMP runtime.

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=49631

            Bug ID: 49631
           Summary: [OpenMP] execution of OpenMP applications break with
                    assertion in the OpenMP runtime.
           Product: OpenMP
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          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 24658
  --> https://bugs.llvm.org/attachment.cgi?id=24658&action=edit
reproducer

This is a regression from the llvm-11 release.

$ clang++ -fopenmp nthreads-plus-one.cpp 
$ ./a.out 
OMP: Error #131: Thread identifier invalid.
Aborted (core dumped)


$ clang++ -fopenmp mixed-threads.cpp
$ ./a.out 
OMP: Error #13: Assertion failure at kmp_runtime.cpp(3676).
OMP: Hint Please submit a bug report with this message, compile and run
commands used, and machine configuration info including native compiler and
operating system versions. Faster response will be obtained by including all
program sources. For information on submitting this issue, please see
https://bugs.llvm.org/.
Aborted (core dumped)

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