void zconfdump(void) { char *p, *p2; for (p2 = p; p2; ) { char __a0, __a1, __a2; __a0 = ((__const char *) ("\"\\"))[0]; if (__a0) return; } }
we do not fold the read from "\"\\". Me & Dirk have a fix. -- Summary: fold does not fold reads from constant static strings Product: gcc Version: 4.2.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: enhancement Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: rguenth at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27498