[Bug fortran/78801] New: ICE in estimate_move_cost, at tree-inline.c:3845

["gerhard dot steinmetz dot fortran at t-online dot de" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78801

            Bug ID: 78801
           Summary: ICE in estimate_move_cost, at tree-inline.c:3845
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gerhard.steinmetz.fortran@t-online.de
  Target Milestone: ---

With invalid code, down to at least 4.8 :


$ cat z1.f90
function f()
character(8) :: g
entry g() result(z)
end


$ gfortran-7-20161211 -O2 -c z1.f90
z1.f90:4:0:

 end

internal compiler error: in estimate_move_cost, at tree-inline.c:3845
0xcc3ea3 estimate_move_cost(tree_node*, bool)
        ../../gcc/tree-inline.c:3845
0xa727ad ipa_populate_param_decls
        ../../gcc/ipa-prop.c:142
0xa8057a ipa_initialize_node_params(cgraph_node*)
        ../../gcc/ipa-prop.c:202
0xa696cd estimate_function_body_sizes
        ../../gcc/ipa-inline-analysis.c:2554
0xa6c196 compute_inline_parameters(cgraph_node*, bool)
        ../../gcc/ipa-inline-analysis.c:3027
0xa6c568 compute_inline_parameters_for_current
        ../../gcc/ipa-inline-analysis.c:3055
0xa6c568 execute
        ../../gcc/ipa-inline-analysis.c:3085