http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56264
Bug #: 56264 Summary: ICE in check_loop_closed_ssa_use, at tree-ssa-loop-manip.c:557 Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassig...@gcc.gnu.org ReportedBy: antoine.balest...@gmail.com Using GCC 4.8.0 as of 220130209 : $ cat check.c int a, b, c; void f(void) { if(b) { for(a = 0; a < 1; a++) lbl: c = c && b ? : 0; c = 0; goto lbl; } if(a) goto lbl; } $ xgcc -w -O2 -funswitch-loops check.c check.c: In function âfâ: check.c:3:6: internal compiler error: in check_loop_closed_ssa_use, at tree-ssa-loop-manip.c:557 void f(void) ^ 0x9d90f6 check_loop_closed_ssa_use ../../srcdir/gcc/tree-ssa-loop-manip.c:556 0x9dac42 verify_loop_closed_ssa(bool) ../../srcdir/gcc/tree-ssa-loop-manip.c:602 0x83eede execute_function_todo ../../srcdir/gcc/passes.c:1974 0x83f757 execute_todo ../../srcdir/gcc/passes.c:1999 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions.