https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84526
Bug ID: 84526 Summary: [8 Regression] ICE in generic_overlap at gcc/gimple-ssa-warn-restrict.c:927 since r257860 Product: gcc Version: unknown 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: msebor at gcc dot gnu.org Target Milestone: --- Starting from the revision, we ICE on: $ gcc -m32 -O2 -Wrestrict ytab.i during GIMPLE pass: wrestrict ytab.i: In function ācā: ytab.i:7:6: internal compiler error: Segmentation fault void c (void) { __builtin_strcpy (&b.a[i], b.a); } ^ 0xfdd6a9 crash_signal ../../gcc/toplev.c:325 0xc33483 generic_overlap ../../gcc/gimple-ssa-warn-restrict.c:927 0xc3486b strcpy_overlap ../../gcc/gimple-ssa-warn-restrict.c:1178 0xc354f6 overlap ../../gcc/gimple-ssa-warn-restrict.c:1304 0xc355db maybe_diag_overlap ../../gcc/gimple-ssa-warn-restrict.c:1325 0xc37792 check_bounds_or_overlap(gcall*, tree_node*, tree_node*, tree_node*, tree_node*, bool) ../../gcc/gimple-ssa-warn-restrict.c:1889 0xc37484 check_call ../../gcc/gimple-ssa-warn-restrict.c:1822 0xc2fc66 before_dom_children ../../gcc/gimple-ssa-warn-restrict.c:106 0x1b14bc7 dom_walker::walk(basic_block_def*) ../../gcc/domwalk.c:353 0xc2fce8 execute ../../gcc/gimple-ssa-warn-restrict.c:120