Comment 2 for bug 1406220

StacktraceTop:
 __libc_message (do_abort=do_abort@entry=1, fmt=fmt@entry=0x7fa764f4b5a8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
 malloc_printerr (action=<optimized out>, str=0x7fa764f4b970 "malloc(): smallbin double linked list corrupted", ptr=<optimized out>) at malloc.c:4996
 _int_malloc (av=0x7fa765188760 <main_arena>, bytes=72) at malloc.c:3359
 __GI___libc_malloc (bytes=72) at malloc.c:2891
 gc_malloc (size=size@entry=64, clear=clear@entry=false, a=a@entry=0x7fffc95a36c0) at buffer.c:336