memory_order_seq_cst   66 opal/include/opal/sys/atomic_stdc.h     atomic_thread_fence (memory_order_seq_cst);
memory_order_seq_cst   65 opal/mca/pmix/pmix4x/pmix/src/atomics/sys/atomic_stdc.h     atomic_thread_fence (memory_order_seq_cst);