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
