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From: "dvyukov at google dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug go/61244] New: gccgo: ICE in write_specific_type_functions
Date: Tue, 20 May 2014 07:13:00 -0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: go
X-Bugzilla-Version: 4.10.0
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: dvyukov at google dot com
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: ian at airs dot com
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61244

            Bug ID: 61244
           Summary: gccgo: ICE in write_specific_type_functions
           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

Created attachment 32824
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=32824&action=edit
reproducer

$ gccgo -v
Using built-in specs.
COLLECT_GCC=gccgo
COLLECT_LTO_WRAPPER=libexec/gcc/x86_64-unknown-linux-gnu/4.10.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../configure --enable-languages=c,c++,go --disable-bootstrap
--enable-checking=yes --disable-multilib --prefix=gcc_trunk/install
Thread model: posix
gcc version 4.10.0 20140516 (experimental) (GCC)

The reproducer program is attached.

$ go build -compiler=gccgo 0.go
go1: internal compiler error: in write_specific_type_functions, at
go/gofrontend/types.cc:1819
0x628f2a Type::write_specific_type_functions(Gogo*, Named_type*,
std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&,
Function_type*, std::basic_string<char, std::char_traits<char>,
std::allocator<char> > const&, Function_type*)
    ../../gcc/go/gofrontend/types.cc:1819
0x6276bf Type::specific_type_functions(Gogo*, Named_type*, Function_type*,
Function_type*, Named_object**, Named_object**)
    ../../gcc/go/gofrontend/types.cc:1798
0x627c86 Type::type_functions(Gogo*, Named_type*, Function_type*,
Function_type*, Named_object**, Named_object**)
    ../../gcc/go/gofrontend/types.cc:1675
0x630194 Type::type_descriptor_constructor(Gogo*, int, Named_type*, Methods
const*, bool)
    ../../gcc/go/gofrontend/types.cc:2016
0x6321f3 Array_type::array_type_descriptor(Gogo*, Named_type*)
    ../../gcc/go/gofrontend/types.cc:6121
0x62a5db Type::make_type_descriptor_var(Gogo*)
    ../../gcc/go/gofrontend/types.cc:1249
0x62a796 Type::type_descriptor_pointer(Gogo*, Location)
    ../../gcc/go/gofrontend/types.cc:1206
0x5bf412 Type_descriptor_expression::do_get_backend(Translate_context*)
    ../../gcc/go/gofrontend/expressions.cc:13863
0x5bb6eb Call_expression::do_get_backend(Translate_context*)
    ../../gcc/go/gofrontend/expressions.cc:9425
0x5a23f6 Unary_expression::do_get_backend(Translate_context*)
    ../../gcc/go/gofrontend/expressions.cc:4039
0x607491 If_statement::do_get_backend(Translate_context*)
    ../../gcc/go/gofrontend/statements.cc:3200
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
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