[Bug tree-optimization/77286] New: [7 Regression] ICE in fold_convert_loc, at fold-const.c:2248 building 435.gromacs

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77286

            Bug ID: 77286
           Summary: [7 Regression] ICE in fold_convert_loc, at
                    fold-const.c:2248 building 435.gromacs
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rguenth at gcc dot gnu.org
  Target Milestone: ---
            Target: x86_64-*-*

/home/gcc/spec/sb-czerny-head-64-2006/x86_64/install-hack/bin/../libexec/gcc/x86_64-pc-linux-gnu/7.0.0/cc1
-fpreprocessed coupling.i -quiet -dumpbase coupling.c -mavx2 -mtune=generic
-march=x86-64 -auxbase-strip coupling.o -Ofast -version -o coupling.s
coupling.c: In function 'nosehoover_tcoupl':
coupling.c:364:6: internal compiler error: in fold_convert_loc, at
fold-const.c:2248
 void nosehoover_tcoupl(t_grpopts *opts,t_groups *grps,
      ^~~~~~~~~~~~~~~~~
0x7d2f67 fold_convert_loc(unsigned int, tree_node*, tree_node*)
        /gcc/spec/sb-czerny-head-64-2006/gcc/gcc/fold-const.c:2247
0x102ee2a chrec_convert_1
        /gcc/spec/sb-czerny-head-64-2006/gcc/gcc/tree-chrec.c:1364
0xab6b71 interpret_rhs_expr
        /gcc/spec/sb-czerny-head-64-2006/gcc/gcc/tree-scalar-evolution.c:1795
0xab460c interpret_gimple_assign
        /gcc/spec/sb-czerny-head-64-2006/gcc/gcc/tree-scalar-evolution.c:2008
0xab460c analyze_scalar_evolution_1
        /gcc/spec/sb-czerny-head-64-2006/gcc/gcc/tree-scalar-evolution.c:2090