[Openmp-commits] [openmp] [OpenMP] Use a memory fence before incrementing the dispatch buffer index (PR #87995)

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jprotze wrote:

It is not clear toe what effect the memory barrier is supposed to have at this specific place with the oder two barriers a few lines above and below.

>From my perspective the code shouldn't use volatile at all, but atomics where necessary.

https://github.com/llvm/llvm-project/pull/87995