https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68866
Bug ID: 68866 Summary: ICE in set_lattice_value, at tree-ssa-cpp.c:490 Product: gcc Version: 4.9.3 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: felix.janda at posteo dot de Target Milestone: --- Minimal test case (containing invalid code): static char *a[] = {""}; int main(void) { for(int i=1;i<2;i++) if(a[i]) break; } The same error was already observed in http://www.openwall.com/lists/musl/2013/11/07/14