https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61620
--- Comment #1 from ian at gcc dot gnu.org <ian at gcc dot gnu.org> --- Author: ian Date: Wed Jul 2 14:23:45 2014 New Revision: 212233 URL: https://gcc.gnu.org/viewcvs?rev=212233&root=gcc&view=rev Log: PR go/61620 runtime: Don't free tiny blocks in map deletion. The memory allocator now has a special case for tiny blocks (smaller than 16 bytes) and they can not be explicitly freed. Modified: trunk/libgo/runtime/go-map-delete.c