[Bug go/61273] New: gccgo: ICE in Unsafe_type_conversion_expression::do_get_backend [GoSmith]

[Bug go/61273] New: gccgo: ICE in Unsafe_type_conversion_expression::do_get_backend [GoSmith]

[dvyukov at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61273

            Bug ID: 61273
           Summary: gccgo: ICE in
                    Unsafe_type_conversion_expression::do_get_backend
                    [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

gccgo (GCC) 4.10.0 20140516 (experimental)

The program is:

package main
func main() {
    c := make(chan bool, 1)
    for ; false; c <- false {
    }
}

$ go build -compiler=gccgo src.go 


src.go:6:1: error: expected '{'
 }
 ^
src.go:4:8: error: expected type
  for ; false; c <- false {
        ^
go1: internal compiler error: in do_get_backend, at
go/gofrontend/expressions.cc:3532
0x5a21eb Unsafe_type_conversion_expression::do_get_backend(Translate_context*)
    ../../gcc/go/gofrontend/expressions.cc:3527
0x5bb6eb Call_expression::do_get_backend(Translate_context*)
    ../../gcc/go/gofrontend/expressions.cc:9425
0x60a1d8 Send_statement::do_get_backend(Translate_context*)
    ../../gcc/go/gofrontend/statements.cc:4513
0x5db097 Block::get_backend(Translate_context*)
    ../../gcc/go/gofrontend/gogo.cc:5454
0x60741c Block_statement::do_get_backend(Translate_context*)
    ../../gcc/go/gofrontend/statements.cc:1811
0x5db097 Block::get_backend(Translate_context*)
    ../../gcc/go/gofrontend/gogo.cc:5454
0x60741c Block_statement::do_get_backend(Translate_context*)
    ../../gcc/go/gofrontend/statements.cc:1811
0x5db097 Block::get_backend(Translate_context*)
    ../../gcc/go/gofrontend/gogo.cc:5454
0x60741c Block_statement::do_get_backend(Translate_context*)
    ../../gcc/go/gofrontend/statements.cc:1811
0x5db097 Block::get_backend(Translate_context*)
    ../../gcc/go/gofrontend/gogo.cc:5454
0x5dc925 Function::build(Gogo*, Named_object*)
    ../../gcc/go/gofrontend/gogo.cc:5062
0x5ddc57 Named_object::get_backend(Gogo*, std::vector<Bexpression*,
std::allocator<Bexpression*> >&, std::vector<Btype*, std::allocator<Btype*> >&,
std::vector<Bfunction*, std::allocator<Bfunction*> >&)
    ../../gcc/go/gofrontend/gogo.cc:6753
0x5e2b5c Gogo::write_globals()
    ../../gcc/go/gofrontend/gogo.cc:1136


gc successfully compiles the code.

[Bug go/61273] gccgo: ICE in Unsafe_type_conversion_expression::do_get_backend [GoSmith]

[ian at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61273

--- Comment #1 from ian at gcc dot gnu.org <ian at gcc dot gnu.org> ---
Author: ian
Date: Tue Dec 16 18:53:46 2014
New Revision: 218788

URL: https://gcc.gnu.org/viewcvs?rev=218788&root=gcc&view=rev
Log:
    PR go/61273
compiler: Send statements should contextually permit composite literals.

Modified:
    trunk/gcc/go/gofrontend/parse.cc
    trunk/gcc/go/gofrontend/parse.h

[Bug go/61273] gccgo: ICE in Unsafe_type_conversion_expression::do_get_backend [GoSmith]

[cmang at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61273

Chris Manghane <cmang at google dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |cmang at google dot com
         Resolution|---                         |FIXED

--- Comment #2 from Chris Manghane <cmang at google dot com> ---
Fixed and test added to Go testsuite.