Comment 2 for bug 1148184

StacktraceTop:
 malloc_consolidate (av=av@entry=0x7f4d50784740 <main_arena>) at malloc.c:4073
 _int_malloc (av=av@entry=0x7f4d50784740 <main_arena>, bytes=bytes@entry=1025) at malloc.c:3358
 _int_realloc (av=av@entry=0x7f4d50784740 <main_arena>, oldp=oldp@entry=0x1acd9f0, oldsize=544, nb=nb@entry=1040) at malloc.c:4197
 __GI___libc_realloc (oldmem=0x1acda00, bytes=1024) at malloc.c:2984
 g_realloc (mem=<optimized out>, n_bytes=n_bytes@entry=1024) at /build/buildd/glib2.0-2.35.8/./glib/gmem.c:224