https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64157
Bug ID: 64157 Summary: [5.0 regression] FAIL: gcc.dg/torture/pr52429.c -O2 -flto -fno-use-linker-plugin -flto-partition=none (internal compiler error) Product: gcc Version: 5.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: sch...@linux-m68k.org Target: powerpc*-*-* $ gcc/xgcc -Bgcc/ ../gcc/testsuite/gcc.dg/torture/pr52429.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -g -ftree-parallelize-loops=4 -S -m64 -o pr52429.s ../gcc/testsuite/gcc.dg/torture/pr52429.c: In function ‘foo’: ../gcc/testsuite/gcc.dg/torture/pr52429.c:24:1: internal compiler error: Segmentation fault } ^ 0x1066862b crash_signal ../../gcc/toplev.c:359 0x104ca167 record_operand_costs ../../gcc/ira-costs.c:1303 0x104ca7e7 scan_one_insn ../../gcc/ira-costs.c:1483 0x104ca7e7 process_bb_for_costs ../../gcc/ira-costs.c:1604 0x104c3f67 ira_traverse_loop_tree(bool, ira_loop_tree_node*, void (*)(ira_loop_tree_node*), void (*)(ira_loop_tree_node*)) ../../gcc/ira-build.c:1838 0x104ccceb find_costs_and_classes ../../gcc/ira-costs.c:1701 0x104cd187 ira_costs() ../../gcc/ira-costs.c:2216 0x104c5cfb ira_build() ../../gcc/ira-build.c:3459 0x104bbbdb ira ../../gcc/ira.c:5227 0x104bbbdb execute ../../gcc/ira.c:5518