https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91822
Bug ID: 91822 Summary: [10 Regression] FAIL: gcc.dg/pr88031.c (internal compiler error) Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: rguenth at gcc dot gnu.org Target Milestone: --- One of my reduction changes together with the new asserts from r275962 cause this to ICE. #0 fancy_abort (file=0x2527b40 "../../src/trunk/gcc/tree-vect-loop.c", line=6662, function=0x252aa10 <vectorizable_reduction(_stmt_vec_info*, gimple_stmt_iterator*, _stmt_vec_info**, _slp_tree*, _slp_instance*, vec<stmt_info_for_cost, va_heap, vl_ptr>*)::__FUNCTION__> "vectorizable_reduction") at ../../src/trunk/gcc/diagnostic.c:1617 #1 0x00000000015a788e in vectorizable_reduction (stmt_info=0x357a5d0, gsi=0x0, vec_stmt=0x0, slp_node=0x0, slp_node_instance=0x0, cost_vec=0x7fffffffc490) at ../../src/trunk/gcc/tree-vect-loop.c:6662 #2 0x00000000015876d5 in vect_analyze_stmt (stmt_info=0x357a5d0, need_to_vectorize=0x7fffffffc49f, node=0x0, node_instance=0x0, cost_vec=0x7fffffffc490) at ../../src/trunk/gcc/tree-vect-stmts.c:10668 #3 0x0000000001598071 in vect_analyze_loop_operations (loop_vinfo=0x357a030) at ../../src/trunk/gcc/tree-vect-loop.c:1580 #4 0x0000000001599818 in vect_analyze_loop_2 (loop_vinfo=0x357a030, fatal=@0x7fffffffd15f: false, n_stmts=0x7fffffffd1a4) at ../../src/trunk/gcc/tree-vect-loop.c:2026