Comment 2 for bug 1719060

StacktraceTop:
 _IO_vfprintf_internal (s=s@entry=0x7ffff55e0300, format=<optimized out>, format@entry=0x5620d7a6d788 "Don't know how to handle \342\200\230%s\342\200\231", ap=ap@entry=0x7ffff55e0470) at vfprintf.c:1643
 __GI___vasprintf_chk (result_ptr=result_ptr@entry=0x7ffff55e0450, flags=flags@entry=1, format=0x5620d7a6d788 "Don't know how to handle \342\200\230%s\342\200\231", format@entry=0x7ffff55e0450 "", args=0x7ffff55e0470) at vasprintf_chk.c:66
 vasprintf (__ap=<optimized out>, __fmt=<optimized out>, __ptr=0x7ffff55e0450) at /usr/include/x86_64-linux-gnu/bits/stdio2.h:210
 g_vasprintf (string=string@entry=0x7ffff55e0450, format=<optimized out>, args=args@entry=0x7ffff55e0470) at ../../../../glib/gprintf.c:316
 g_strdup_vprintf (format=<optimized out>, args=args@entry=0x7ffff55e0470) at ../../../../glib/gstrfuncs.c:514