[llvm-bugs] [Bug 35169] New: Merge r316452 into 5.0 branch: Disable threadprivate data cleanup if runtime is terminating

via llvm-bugs llvm-bugs at lists.llvm.org
Thu Nov 2 09:22:05 PDT 2017


https://bugs.llvm.org/show_bug.cgi?id=35169

            Bug ID: 35169
           Summary: Merge r316452 into 5.0 branch: Disable threadprivate
                    data cleanup if runtime is terminating
           Product: OpenMP
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: release blocker
          Priority: P
         Component: Runtime Library
          Assignee: unassignedbugs at nondot.org
          Reporter: hahnjo at hahnjo.de
                CC: andrey.churbanov at intel.com, jpeyton52 at gmail.com,
                    llvm-bugs at lists.llvm.org, tstellar at redhat.com
            Blocks: 34492

The problem is due to the runtime's threadprivate cleanup code which tries to
access data that was already destroyed by one of the root threads.
__kmp_init_gtid is used as a checker here since it is set to false before
actual
resource cleanup is done in __kmp_cleanup().


Referenced Bugs:

https://bugs.llvm.org/show_bug.cgi?id=34492
[Bug 34492] [meta] 5.0.1 Release Blockers
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