[llvm-bugs] [Bug 42068] New: Assertion `vlaSize && "no size for VLA!"` when VLA typedef is placed outside of openmp region.

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https://bugs.llvm.org/show_bug.cgi?id=42068

            Bug ID: 42068
           Summary: Assertion `vlaSize && "no size for VLA!"` when VLA
                    typedef is placed outside of openmp region.
           Product: clang
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: OpenMP
          Assignee: unassignedclangbugs at nondot.org
          Reporter: Paul.Walker at arm.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 22050
  --> https://bugs.llvm.org/attachment.cgi?id=22050&action=edit
Original source that triggers the assertion.

The attached source file triggers the assertion `vlaSize && "no size for VLA!"`
when built with:

  clang -fopenmp -c openmp-with-vla.c

There is no assertion when not using -fopenmp nor when the typedef is moved
inside the openmp region (see commented typedef).

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