[llvm-bugs] [Bug 35167] New: Merge r309875 into the 5.0 branch: Move lock acquire/release functions in task deque cleanup code

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=35167

            Bug ID: 35167
           Summary: Merge r309875 into the 5.0 branch: Move lock
                    acquire/release functions in task deque cleanup code
           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 original locations can be reached without initializing the lock variable
(td_deque_lock), so it is potentially unsafe.  It is guaranteed that the lock
is initialized if the deque (td_deque) is not NULL, and lock functions can be
safely called.


Referenced Bugs:

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