https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62239
Bug ID: 62239 Summary: [5 Regression] ICE: in execute_todo, at passes.c:1795 with LTO Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: lto Assignee: unassigned at gcc dot gnu.org Reporter: d.g.gorbachev at gmail dot com cat > foo.c char *foo(unsigned n) { char *s = __builtin_calloc(1, n); return __builtin___strcat_chk(s, " ", __builtin_object_size(s, 0)); } ^D $ gcc -O -flto -shared foo.c foo.c: In function 'foo': foo.c:1:7: internal compiler error: in execute_todo, at passes.c:1795 char *foo(unsigned n) ^ 0x84e3f13 execute_todo ../../gcc-5/gcc/passes.c:1795 Please submit a full bug report, [...]