[Bug target/64047] New: [5 Regression] ICE: Segmentation fault when compiling gcc.dg/torture/pr52429.c

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64047

            Bug ID: 64047
           Summary: [5 Regression] ICE: Segmentation fault when compiling
                    gcc.dg/torture/pr52429.c
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: trippels at gcc dot gnu.org
              Host: powerpc64-unknown-linux-gnu
            Target: powerpc64-unknown-linux-gnu
             Build: powerpc64-unknown-linux-gnu

trippels@gcc2-power8 testsuite % gcc -g -ftree-parallelize-loops=4 -O2 -flto
-fno-use-linker-plugin -flto-partition=none gcc.dg/torture/pr52429.c
gcc.dg/torture/pr52429.c: In function ‘foo’:
gcc.dg/torture/pr52429.c:24:1: internal compiler error: Segmentation fault
 }
 ^
0x107bdbeb crash_signal
        ../../gcc/gcc/toplev.c:359
0x105e4187 record_operand_costs
        ../../gcc/gcc/ira-costs.c:1303
0x105e482b scan_one_insn
        ../../gcc/gcc/ira-costs.c:1483
0x105e482b process_bb_for_costs
        ../../gcc/gcc/ira-costs.c:1604
0x105ddb3f ira_traverse_loop_tree(bool, ira_loop_tree_node*, void
(*)(ira_loop_tree_node*), void (*)(ira_loop_tree_node*))
        ../../gcc/gcc/ira-build.c:1838
0x105e6e67 find_costs_and_classes
        ../../gcc/gcc/ira-costs.c:1701
0x105e72ab ira_costs()
        ../../gcc/gcc/ira-costs.c:2216
0x105df9ab ira_build()
        ../../gcc/gcc/ira-build.c:3459
0x105d5803 ira
        ../../gcc/gcc/ira.c:5227
0x105d5803 execute
        ../../gcc/gcc/ira.c:5518
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