__optnone__ 238 opal/include/opal_config_bottom.h # define __opal_attribute_optnone__ __attribute__((__optnone__)) __optnone__ 341 opal/mca/pmix/pmix4x/pmix/src/include/pmix_config_bottom.h # define __pmix_attribute_optnone__ __attribute__((__optnone__))