https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66793
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2015-07-08 Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- isolate-paths adds a __builtin_trap but appearantly doesn't split BBs properly: t.c: In function ‘main’: t.c:18:1: error: control flow in the middle of basic block 2 main () ^ fn1 (MEM[(struct S0 *)0B]); t.c:18:1: internal compiler error: verify_flow_info failed this is because fn1 is noreturn.