Comment 2 for bug 738837

StacktraceTop:
 raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
 abort () at abort.c:92
 g_assertion_message (domain=<value optimized out>, file=<value optimized out>, line=<value optimized out>, func=0x7f9f4f234560 "on_pending_call_notify", message=0x21db900 "assertion failed: (pending == op->pending)") at /build/buildd/glib2.0-2.28.3/./glib/gtestutils.c:1358
 g_assertion_message_expr (domain=0x0, file=0x7f9f4f23416d "gkr-operation.c", line=342, func=0x7f9f4f234560 "on_pending_call_notify", expr=<value optimized out>) at /build/buildd/glib2.0-2.28.3/./glib/gtestutils.c:1369
 on_pending_call_notify (pending=<value optimized out>, user_data=<value optimized out>) at gkr-operation.c:342