v3.0.x: pmix2x: fix potential memory barrier bug with __atomic builtin atomics#6044

hppritcha merged 1 commit intoopen-mpi:v3.0.xopen-mpi/ompi:v3.0.xfrom

hjelmn:v3.0.x_fix_a_memory_barrier_bug_that_is_totally_related_to_6014_but_in_the_pmix_codehjelmn/ompi:v3.0.x_fix_a_memory_barrier_bug_that_is_totally_related_to_6014_but_in_the_pmix_codeCopy head branch name to clipboard