https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104970
Bug ID: 104970 Summary: ICE in execute_todo, at passes.cc:2133 since r12-6480-gea19c8f33a3a8d2b 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: marxin at gcc dot gnu.org CC: siddhesh at gcc dot gnu.org Target Milestone: --- The following is reduced from libmsym package: $ cat linalg.i __inline void memset2(void *__dest, int __ch, long __len) { long __trans_tmp_1 = __builtin_dynamic_object_size(__dest, 0); __builtin___memset_chk(__dest, __ch, __len, __trans_tmp_1); } void mleye(int l, double E[][l]) { memset2(E, 0, sizeof(double)); } $ gcc linalg.i -c -D_FORTIFY_SOURCE=2 -O during GIMPLE pass: objsz linalg.i: In function ‘mleye’: linalg.i:8:1: internal compiler error: in execute_todo, at passes.cc:2133 8 | mleye(int l, double E[][l]) { memset2(E, 0, sizeof(double)); } | ^~~~~ 0x75edfa execute_todo /home/marxin/Programming/gcc/gcc/passes.cc:2133 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.