[Bug tree-optimization/55260] New: [4.8 Regression] ICE: in ipa_get_parm_lattices, at ipa-cp.c:263 with -O2 -fno-inline -fipa-cp-clone

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55260



             Bug #: 55260

           Summary: [4.8 Regression] ICE: in ipa_get_parm_lattices, at

                    ipa-cp.c:263 with -O2 -fno-inline -fipa-cp-clone

    Classification: Unclassified

           Product: gcc

           Version: 4.8.0

            Status: UNCONFIRMED

          Severity: normal

          Priority: P3

         Component: tree-optimization

        AssignedTo: unassig...@gcc.gnu.org

        ReportedBy: zso...@seznam.cz





Created attachment 28650

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28650

reduced testcase



Compiler output:

$ gcc -O2 -std=gnu++0x -fno-inline -fipa-cp-clone testcase.C 

testcase.C:20:1: internal compiler error: in ipa_get_parm_lattices, at

ipa-cp.c:263

 }

 ^

0x59033c ipa_get_parm_lattices

        /mnt/svn/gcc-trunk/gcc/ipa-cp.c:263

0x129c1e5 ipa_get_parm_lattices

        /mnt/svn/gcc-trunk/gcc/ipa-cp.c:2908

0x129c1e5 cgraph_edge_brings_all_agg_vals_for_node

        /mnt/svn/gcc-trunk/gcc/ipa-cp.c:3082

0x129c1e5 perhaps_add_new_callers

        /mnt/svn/gcc-trunk/gcc/ipa-cp.c:3134

0x129c1e5 decide_about_value

        /mnt/svn/gcc-trunk/gcc/ipa-cp.c:3207

0x129dfd0 decide_whether_version_node

        /mnt/svn/gcc-trunk/gcc/ipa-cp.c:3315

0x129dfd0 ipcp_decision_stage

        /mnt/svn/gcc-trunk/gcc/ipa-cp.c:3441

0x129dfd0 ipcp_driver

        /mnt/svn/gcc-trunk/gcc/ipa-cp.c:3483

Please submit a full bug report,

with preprocessed source if appropriate.

Please include the complete backtrace with any bug report.

See <http://gcc.gnu.org/bugs.html> for instructions.



Tested revisions:

r193368 - fail

4.7 r191640 - OK