[Bug lto/64238] New: ICE in get_partitioning_class, at symtab.c:1775

[Bug lto/64238] New: ICE in get_partitioning_class, at symtab.c:1775

[d.g.gorbachev at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64238

            Bug ID: 64238
           Summary: ICE in get_partitioning_class, at symtab.c:1775
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
          Assignee: unassigned at gcc dot gnu.org
          Reporter: d.g.gorbachev at gmail dot com

GCC 5.0.0 20141207 (experimental).

$ gccgo -S -flto -o bytes.s bytes.go bytes_decl.go
go1: internal compiler error: in get_partitioning_class, at symtab.c:1775
0x84fac84 symtab_node::get_partitioning_class()
    ../../gcc-5/gcc/symtab.c:1775
0x8816309 lto_output_varpool_node
    ../../gcc-5/gcc/lto-cgraph.c:630
0x881726f output_symtab()
    ../../gcc-5/gcc/lto-cgraph.c:1005
0x882bc81 lto_output()
    ../../gcc-5/gcc/lto-streamer-out.c:2311
0x888ac39 write_lto
    ../../gcc-5/gcc/passes.c:2388
0x888ae42 ipa_write_summaries_1
    ../../gcc-5/gcc/passes.c:2451
0x888b094 ipa_write_summaries(bool)
    ../../gcc-5/gcc/passes.c:2511
0x851066a ipa_passes
    ../../gcc-5/gcc/cgraphunit.c:2091
0x851099a symbol_table::compile()
    ../../gcc-5/gcc/cgraphunit.c:2187
0x8510cbc symbol_table::finalize_compilation_unit()
    ../../gcc-5/gcc/cgraphunit.c:2340
0x83d7b13 Gcc_backend::write_global_definitions(std::vector<Btype*,
std::allocator<Btype*> > const&, std::vector<Bexpression*,
std::allocator<Bexpression*> > const&, std::vector<Bfunction*,
std::allocator<Bfunction*> > const&, std::vector<Bvariable*,
std::allocator<Bvariable*> > const&)
    ../../gcc-5/gcc/go/go-gcc.cc:3002
0x83e7bef Gogo::write_globals()
    ../../gcc-5/gcc/go/gofrontend/gogo.cc:1437
0x83e26dd go_write_globals()
    ../../gcc-5/gcc/go/gofrontend/go.cc:146
0x83da8fc go_langhook_write_globals
    ../../gcc-5/gcc/go/go-lang.c:444

[Bug lto/64238] ICE in get_partitioning_class, at symtab.c:1775

[d.g.gorbachev at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64238

--- Comment #1 from Dmitry Gorbachev <d.g.gorbachev at gmail dot com> ---
Created attachment 34230
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34230&action=edit
Testcase (gzipped tar file)

Unreduced (from libgo).