https://bugs.llvm.org/show_bug.cgi?id=50251

            Bug ID: 50251
           Summary: [OpenMP] Custom reduction fails at runtime with
                    misaligned address on NVIDIA V100.
           Product: clang
           Version: trunk
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: -New Bugs
          Assignee: [email protected]
          Reporter: [email protected]
                CC: [email protected], [email protected],
                    [email protected], [email protected]

Created attachment 24839
  --> https://bugs.llvm.org/attachment.cgi?id=24839&action=edit
A short cpp file  that contains the reproducer.

The test passes if the total size aligns with a power of 2. The reproducer
contains a macro FOUR_D which when turned on the reproducer executes correctly.

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