[Bug ipa/63562] New: [5 Regression] ICE : in ipcp_verify_propagated_values, at ipa-cp.c:907

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63562

            Bug ID: 63562
           Summary: [5 Regression] ICE : in ipcp_verify_propagated_values,
                    at ipa-cp.c:907
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ipa
          Assignee: unassigned at gcc dot gnu.org
          Reporter: trippels at gcc dot gnu.org
                CC: marxin at gcc dot gnu.org

IPA ICF causes Firefox build to fail on ppc64 with -O3 -flto
during final libxul link:

lto1: internal compiler error: in ipcp_verify_propagated_values, at
ipa-cp.c:907
0x10c6beb3 ipcp_verify_propagated_values()
        ../../gcc/gcc/ipa-cp.c:907
0x10c6eceb ipcp_propagate_stage
        ../../gcc/gcc/ipa-cp.c:2341
0x10c6eceb ipcp_driver
        ../../gcc/gcc/ipa-cp.c:3726
0x10c6eceb execute
        ../../gcc/gcc/ipa-cp.c:3819
Please submit a full bug report,
with preprocessed source if appropriate.