[Bug lto/67699] ICE (segfault) compiling a const array with -flto

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67699

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-09-24
                 CC|                            |trippels at gcc dot gnu.org
          Component|c++                         |lto
     Ever confirmed|0                           |1
      Known to fail|                            |4.9.3, 5.2.0, 6.0

--- Comment #4 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 tmp % cat crash.ii
template <class T> class foo {
  foo() { int const bar[2] = {1, 1}; }
};
template class foo<int>;

markus@x4 tmp % g++ -flto crash.ii
crash.ii:4:24: internal compiler error: in get, at cgraph.h:371
 template class foo<int>;
                        ^
0xb54891 symtab_node::get(tree_node const*)
        ../../gcc/gcc/cgraph.h:368
0xb54891 varpool_node::get(tree_node const*)
        ../../gcc/gcc/cgraph.h:2365
0xb54891 compute_ltrans_boundary(lto_symtab_encoder_d*)
        ../../gcc/gcc/lto-cgraph.c:921
0xbbdb5f ipa_write_summaries()
        ../../gcc/gcc/passes.c:2535
0x905b06 ipa_passes
        ../../gcc/gcc/cgraphunit.c:2304
0x905b06 symbol_table::compile()
        ../../gcc/gcc/cgraphunit.c:2400
0x9084c7 symbol_table::compile()
        ../../gcc/gcc/cgraphunit.c:2536
0x9084c7 symbol_table::finalize_compilation_unit()
        ../../gcc/gcc/cgraphunit.c:2562
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