https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104975
Bug ID: 104975 Summary: ICE in execute, at gimple-harden-conditionals.cc:577 Product: gcc Version: 12.0 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 12.0.1 20220313 snapshot (g:7e28750395889d16a9cba49cd5935ced7dc00ce8) ICEs when compiling the following testcase w/ -O1 -fharden-compares -fno-inline -fno-ipa-pure-const: __attribute__ ((pure, returns_twice)) int bar (int); int quux (void) { return 0; } int foo (short int x) { x = !x; bar (quux ()); return x; } % gcc-12.0.1 -O1 -fharden-compares -fno-inline -fno-ipa-pure-const -c pjkdqdif.c during GIMPLE pass: hardcmp pjkdqdif.c: In function 'foo': pjkdqdif.c:11:1: internal compiler error: in execute, at gimple-harden-conditionals.cc:577 11 | foo (short int x) | ^~~ 0x81cbba execute /var/tmp/portage/sys-devel/gcc-12.0.1_p20220313/work/gcc-12-20220313/gcc/gimple-harden-conditionals.cc:577