Comment 2 for bug 1381220

StacktraceTop:
 mem_error (format=format@entry=0x7fda6e039a5d "assertion failed: %s") at /build/buildd/glib2.0-2.42.0/./glib/gslice.c:1439
 slab_allocator_free_chunk (chunk_size=chunk_size@entry=32, mem=mem@entry=0x4334dc0) at /build/buildd/glib2.0-2.42.0/./glib/gslice.c:1321
 magazine_cache_trim (allocator=0x7fda6e2a9380 <allocator>, stamp=<optimized out>, ix=<optimized out>) at /build/buildd/glib2.0-2.42.0/./glib/gslice.c:679
 magazine_cache_push_magazine (ix=ix@entry=1, magazine_chunks=<optimized out>, count=<optimized out>) at /build/buildd/glib2.0-2.42.0/./glib/gslice.c:710
 thread_memory_magazine2_unload (ix=ix@entry=1, tmem=<optimized out>) at /build/buildd/glib2.0-2.42.0/./glib/gslice.c:809