--- src/include/mpiimpl.h_orig 2016-05-31 08:10:27.000000000 -0500 +++ src/include/mpiimpl.h 2016-05-31 08:10:43.000000000 -0500 @@ -1528,7 +1528,7 @@ #ifdef MPID_DEV_REQUEST_DECL MPID_DEV_REQUEST_DECL #endif -} MPID_Request ATTRIBUTE((__aligned__(32))); +} ATTRIBUTE((__aligned__(32))) MPID_Request; extern MPIU_Object_alloc_t MPID_Request_mem; /* Preallocated request objects */