https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64972
--- Comment #8 from Rainer Emrich <rai...@emrich-ebersheim.de> --- I'm testing the following on x86_64-w64-mingw32 at the moment. Index: oacc-parallel.c =================================================================== --- oacc-parallel.c (Revision 221607) +++ oacc-parallel.c (Arbeitskopie) @@ -99,8 +99,9 @@ GOACC_parallel (int device, void (*fn) ( gomp_fatal ("num_workers (%d) different from one is not yet supported", num_workers); - gomp_debug (0, "%s: mapnum=%zd, hostaddrs=%p, sizes=%p, kinds=%p, async=%d\n", - __FUNCTION__, mapnum, hostaddrs, sizes, kinds, async); + gomp_debug (0, "%s: mapnum=%ld, hostaddrs=%p, sizes=%p, kinds=%p, async=%d\n", + __FUNCTION__, (unsigned long) mapnum, (void *) hostaddrs, + sizes, kinds, (int) async); select_acc_device (device); @@ -178,8 +179,9 @@ GOACC_data_start (int device, size_t map bool host_fallback = device == GOMP_DEVICE_HOST_FALLBACK; struct target_mem_desc *tgt; - gomp_debug (0, "%s: mapnum=%zd, hostaddrs=%p, sizes=%p, kinds=%p\n", - __FUNCTION__, mapnum, hostaddrs, sizes, kinds); + gomp_debug (0, "%s: mapnum=%ld, hostaddrs=%p, sizes=%p, kinds=%p\n", + __FUNCTION__, (unsigned long) mapnum, (void *) hostaddrs, + sizes, kinds); select_acc_device (device); Index: target.c =================================================================== --- target.c (Revision 221607) +++ target.c (Arbeitskopie) @@ -439,8 +439,8 @@ gomp_map_vars (struct gomp_device_descr was missing. */ size_t size = k->host_end - k->host_start; gomp_fatal ("present clause: !acc_is_present (%p, " - "%zd (0x%zx))", (void *) k->host_start, - size, size); + "%ld (0x%lx))", (void *) k->host_start, + (unsigned long) size, (unsigned long) size); } break; case GOMP_MAP_FORCE_DEVICEPTR: