[Bug middle-end/58484] New: [4.9 Regression] ICE in chrec_fold_plus_1, at tree-chrec.c:272 building 416.gamess

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58484

            Bug ID: 58484
           Summary: [4.9 Regression] ICE in chrec_fold_plus_1, at
                    tree-chrec.c:272 building 416.gamess
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rguenth at gcc dot gnu.org
            Blocks: 58417

> ./f951 -quiet mp2.fppized.f -O2
mp2.fppized.f: In function 'umpse':
mp2.fppized.f:2889:0: internal compiler error: in chrec_fold_plus_1, at
tree-chrec.c:272
       SUBROUTINE UMPSE(EA,AIBJ,NOC,NDIM,NOCA,NVIRA,NOCCA,IOCA,E2)
 ^
0x12b7434 chrec_fold_plus_1
        /space/rguenther/src/svn/trunk/gcc/tree-chrec.c:271
0x12b7cea chrec_fold_plus(tree_node*, tree_node*, tree_node*)
        /space/rguenther/src/svn/trunk/gcc/tree-chrec.c:373
0xcebd7b instantiate_scev_binary
        /space/rguenther/src/svn/trunk/gcc/tree-scalar-evolution.c:2347

from a quick look instantiate_scev_r for some reason doesn't do its work
properly.