[llvm-bugs] [Bug 30883] New: Merge r285703 into the 3.9 branch

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=30883

            Bug ID: 30883
           Summary: Merge r285703 into the 3.9 branch
           Product: OpenMP
           Version: unspecified
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: Runtime Library
          Assignee: unassignedbugs at nondot.org
          Reporter: howarth.mailing.lists at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

I would like to propose merging the change...

r285703 | achurbanov | 2016-11-01 12:19:04 -0400 (Tue, 01 Nov 2016) | 9 lines

Fixed problem introduced by part of https://reviews.llvm.org/D21196.

Check Task Scheduling Constraint (TSC) on stealing of untied task.
This is needed because the untied task can produce tied children
those can break TSC if untied is not a descendant of current task.
This can cause live lock on complex tyasking tests
(e.g. kastors/strassen-task-dep).

Differential Revision: https://reviews.llvm.org/D26182

to 3.9 branch for the 3.9.1 release

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