$NetBSD: patch-do,v 1.1 2013/06/17 12:43:28 wiz Exp $ --- libgc/headers.c.orig 2011-10-13 20:12:06.000000000 -0400 +++ libgc/headers.c 2011-10-13 20:11:50.000000000 -0400 @@ -139,6 +139,8 @@ register unsigned i; GC_all_nils = (bottom_index *)GC_scratch_alloc((word)sizeof(bottom_index)); + if (GC_all_nils == NULL) + ABORT("out of memory"); BZERO(GC_all_nils, sizeof(bottom_index)); for (i = 0; i < TOP_SZ; i++) { GC_top_index[i] = GC_all_nils;