https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111303
Bug ID: 111303 Summary: ICE: in type, at value-range.h:869 Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: shaohua.li at inf dot ethz.ch Target Milestone: --- gcc at -O2 crashes on the following test case. Compiler explorer: https://godbolt.org/z/qK6dMTK14 $ cat a.c unsigned char a; int b(int c) { if (c >= 5000) return c / 5; } void d() { b(a - 5); } int main() {} $ $ gcc -O2 a.c during GIMPLE pass: evrp <source>: In function 'd': <source>:7:1: internal compiler error: in type, at value-range.h:869 7 | int main() {} | ^~~ 0x21af71e internal_error(char const*, ...) ???:0 0x9dd814 fancy_abort(char const*, int, char const*) ???:0 0x16cada5 gimple_simplify_TRUNC_DIV_EXPR(gimple_match_op*, gimple**, tree_node* (*)(tree_node*), code_helper, tree_node*, tree_node*, tree_node*) ???:0 0x180c22a gimple_match_op::resimplify(gimple**, tree_node* (*)(tree_node*)) ???:0 0x180c880 gimple_simplify(gimple*, gimple_match_op*, gimple**, tree_node* (*)(tree_node*), tree_node* (*)(tree_node*)) ???:0 0x1f41940 gimple_ranger::fold_stmt(gimple_stmt_iterator*, tree_node* (*)(tree_node*)) ???:0 0x13c5478 rvrp_folder::fold_stmt(gimple_stmt_iterator*) ???:0 0x12a653e substitute_and_fold_dom_walker::before_dom_children(basic_block_def*) ???:0 0x1f09107 dom_walker::walk(basic_block_def*) ???:0 0x12a568b substitute_and_fold_engine::substitute_and_fold(basic_block_def*) ???:0 0x13c4f9c execute_ranger_vrp(function*, bool, bool) ???:0 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. Compiler returned: 1 $