http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54211
Markus Trippelsdorf <markus at trippelsdorf dot de> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |markus at trippelsdorf dot | |de --- Comment #1 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-08-09 17:38:46 UTC --- Further reduced: int a, b; unsigned char e; void fn1 () { unsigned char *c=0; for (;; a++) { unsigned char d = *(c + b); for (; &e<&d; c++) goto Found_Top; } Found_Top: if (0) goto Empty_Bitmap; for (;; a++) { unsigned char *e = c + b; for (; c < e; c++) goto Found_Bottom; c -= b; } Found_Bottom: Empty_Bitmap: ; }