https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106027
Bug ID: 106027 Summary: ICE: 'verify_gimple' failed (error: mismatching comparison operand types) Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- gcc 13.0.0 20220612 snapshot (g:add1adaa17a294ea25918ffb4fdd40f115362632) ICEs when compiling the following testcase w/ -O1: int foo (unsigned int x, int y) { return x <= (((y != y) < 0) ? y < 1 : 0); } % gcc-13.0.0 -O1 -c lxx02x06.c lxx02x06.c: In function 'foo': lxx02x06.c:2:1: error: mismatching comparison operand types 2 | foo (unsigned int x, int y) | ^~~ unsigned int int _1 = x <= 0; lxx02x06.c:2:1: internal compiler error: 'verify_gimple' failed 0xf2b0cd verify_gimple_in_seq(gimple*) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220612/work/gcc-13-20220612/gcc/tree-cfg.cc:5217 0xc0fb85 gimplify_body(tree_node*, bool) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220612/work/gcc-13-20220612/gcc/gimplify.cc:16543 0xc0fd4c gimplify_function_tree(tree_node*) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220612/work/gcc-13-20220612/gcc/gimplify.cc:16614 0xa26c47 cgraph_node::analyze() /var/tmp/portage/sys-devel/gcc-13.0.0_p20220612/work/gcc-13-20220612/gcc/cgraphunit.cc:676 0xa297a7 analyze_functions /var/tmp/portage/sys-devel/gcc-13.0.0_p20220612/work/gcc-13-20220612/gcc/cgraphunit.cc:1241 0xa2a44d symbol_table::finalize_compilation_unit() /var/tmp/portage/sys-devel/gcc-13.0.0_p20220612/work/gcc-13-20220612/gcc/cgraphunit.cc:2501