[Bug go/61307] New: gccgo: ICE in Create_function_descriptors::expression [GoSmith]

[dvyukov at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61307

            Bug ID: 61307
           Summary: gccgo: ICE in Create_function_descriptors::expression
                    [GoSmith]
           Product: gcc
           Version: 4.10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: go
          Assignee: ian at airs dot com
          Reporter: dvyukov at google dot com
                CC: cmang at google dot com

Created attachment 32850
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=32850&action=edit
reproducer

gcc version 4.10.0 20140516 (experimental) (GCC) 

The program is attached.
go build -compiler=gccgo main

go1: internal compiler error: in descriptor, at go/gofrontend/gogo.cc:4572
0x5d0f40 Function::descriptor(Gogo*, Named_object*)
        ../../gcc/go/gofrontend/gogo.cc:4572
0x5d41ee Create_function_descriptors::expression(Expression**)
        ../../gcc/go/gofrontend/gogo.cc:2543
0x5a0e2d Expression::traverse(Expression**, Traverse*)
        ../../gcc/go/gofrontend/expressions.cc:43
0x5d1f5c Variable::traverse_expression(Traverse*, unsigned int)
        ../../gcc/go/gofrontend/gogo.cc:5594
0x5d1d70 Block::traverse(Traverse*)
        ../../gcc/go/gofrontend/gogo.cc:5345
0x5d1e9e Function::traverse(Traverse*)
        ../../gcc/go/gofrontend/gogo.cc:4549
0x5d4cb2 Bindings::traverse(Traverse*, bool)
        ../../gcc/go/gofrontend/gogo.cc:7144
0x5d4f91 Gogo::traverse(Traverse*)
        ../../gcc/go/gofrontend/gogo.cc:2187
0x5db6f1 Gogo::create_function_descriptors()
        ../../gcc/go/gofrontend/gogo.cc:2627
0x5cea18 go_parse_input_files(char const**, unsigned int, bool, bool)
        ../../gcc/go/gofrontend/go.cc:97