https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108793
Bug ID: 108793 Summary: [12/13 Regression] ICE: verify_gimple failed Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Started between 20210822 and 20210905, at -O3 or -Ofast : (gcc configured with --enable-checking=yes) $ cat z1.cc typedef void (*p)(); extern "C" p a, b; int f () { int n = 0; for (p* i = &a; i > &b; i++) { n++; } return n; } $ gcc-13-20230212 -c z1.cc -Ofast z1.cc: In function 'int f()': z1.cc:3:5: error: non-trivial conversion in unary operation 3 | int f () { | ^ unsigned long void (*p) (void) * _3 = ~_1; z1.cc:3:5: error: non-trivial conversion in unary operation unsigned long void (*p) (void) * _24 = ~_23; during GIMPLE pass: vect z1.cc:3:5: internal compiler error: verify_gimple failed 0x12942be verify_gimple_in_cfg(function*, bool, bool) ../../gcc/tree-cfg.cc:5648 0x1135053 execute_function_todo ../../gcc/passes.cc:2091 0x1135ad2 execute_todo ../../gcc/passes.cc:2145