http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59330
Bug ID: 59330 Summary: Crash in is_gimple_reg_type Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: d.g.gorbachev at gmail dot com ======= 8< ======= void free(void *p) { } void *foo(void) { return 0; } int main(void) { void *p = foo(); free(p); return 0; } ======= >8 ======= $ gcc -O 1.c 1.c: In function 'main': 1.c:15:1: internal compiler error: Segmentation fault } ^ 0x86dfff0 crash_signal ../../gcc-4.9/gcc/toplev.c:336 0x871992f is_gimple_reg_type ../../gcc-4.9/gcc/gimple-expr.h:74 0x871992f verify_gimple_call ../../gcc-4.9/gcc/tree-cfg.c:3190 0x871ac23 verify_gimple_stmt ../../gcc-4.9/gcc/tree-cfg.c:4306 0x8721a9a verify_gimple_in_cfg(function*) ../../gcc-4.9/gcc/tree-cfg.c:4765 0x86158d5 execute_function_todo ../../gcc-4.9/gcc/passes.c:1843 0x8615a5b do_per_function ../../gcc-4.9/gcc/passes.c:1573 0x8615bee execute_todo ../../gcc-4.9/gcc/passes.c:1877 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.