https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104612
Bug ID: 104612 Summary: [12 Regression] ICE in mark_jump_label_1 since r12-3435 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: jakub at gcc dot gnu.org Target Milestone: --- The following testcase ICEs in mark_jump_label_1 with -O2 -m32 -msse2 -mfpmath=sse since r12-3435-g60efb1fee9b8985829abf4ed9958691783c2604e : struct V { float x, y; }; struct V foo (struct V v) { struct V ret; ret.x = __builtin_copysignf (1.0e+0, v.x); ret.y = __builtin_copysignf (1.0e+0, v.y); return ret; } during RTL pass: expand glsign.C: In function ‘V foo(V)’: glsign.C:10:1: internal compiler error: Segmentation fault 10 | } | ^ 0x16b9ffe crash_signal ../../gcc/toplev.c:328 0x141c59b mark_jump_label_1 ../../gcc/jump.c:1048 0x141c9ea mark_jump_label_1 ../../gcc/jump.c:1171 0x141c9ea mark_jump_label_1 ../../gcc/jump.c:1171 0x141c578 mark_jump_label(rtx_def*, rtx_insn*, int) ../../gcc/jump.c:1035 0x141b4e8 mark_all_labels ../../gcc/jump.c:332 0x141ad0b rebuild_jump_labels_1 ../../gcc/jump.c:74 0x141ad7e rebuild_jump_labels(rtx_insn*) ../../gcc/jump.c:98 0xfe7673 execute ../../gcc/cfgexpand.c:6858 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.