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From: "dvyukov at google dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug go/61246] New: gccgo: ICE in do_determine_types [GoSmith]
Date: Tue, 20 May 2014 07:36:00 -0000
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X-Bugzilla-Component: go
X-Bugzilla-Version: 4.10.0
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X-Bugzilla-Who: dvyukov at google dot com
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X-Bugzilla-Priority: P3
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61246

            Bug ID: 61246
           Summary: gccgo: ICE in do_determine_types [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 -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 is attached.

$ go build -compiler=gccgo 0.go 
go1: internal compiler error: in do_determine_types, at
go/gofrontend/statements.cc:400
0x6078ed Temporary_statement::do_determine_types()
    ../../gcc/go/gofrontend/statements.cc:400
0x5d2d4b Block::determine_types()
    ../../gcc/go/gofrontend/gogo.cc:5410
0x5d2d4b Block::determine_types()
    ../../gcc/go/gofrontend/gogo.cc:5410
0x5d2d4b Block::determine_types()
    ../../gcc/go/gofrontend/gogo.cc:5410
0x6073fa If_statement::do_determine_types()
    ../../gcc/go/gofrontend/statements.cc:3166
0x5d2d4b Block::determine_types()
    ../../gcc/go/gofrontend/gogo.cc:5410
0x5d2d4b Block::determine_types()
    ../../gcc/go/gofrontend/gogo.cc:5410
0x6073fa If_statement::do_determine_types()
    ../../gcc/go/gofrontend/statements.cc:3166
0x5d2d4b Block::determine_types()
    ../../gcc/go/gofrontend/gogo.cc:5410
0x5d2d4b Block::determine_types()
    ../../gcc/go/gofrontend/gogo.cc:5410
0x6073fa If_statement::do_determine_types()
    ../../gcc/go/gofrontend/statements.cc:3166
0x5d2d4b Block::determine_types()
    ../../gcc/go/gofrontend/gogo.cc:5410
0x5d2d4b Block::determine_types()
    ../../gcc/go/gofrontend/gogo.cc:5410
0x5d5ad8 Function::determine_types()
    ../../gcc/go/gofrontend/gogo.cc:4562
0x5d5ad8 Gogo::determine_types()
    ../../gcc/go/gofrontend/gogo.cc:2755
0x5cea3c go_parse_input_files(char const**, unsigned int, bool, bool)
    ../../gcc/go/gofrontend/go.cc:107