[Bug c++/64931] ICE on function with deduced return type and input is instantiated template class

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64931

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-03-04
     Ever confirmed|0                           |1

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
f.cc: In function ‘auto copy(const array<int, 32ul>&)’:
f.cc:7:10: internal compiler error: Segmentation fault
   return x;
          ^
0xca615f crash_signal
        /home/jwakely/src/gcc/gcc/gcc/toplev.c:383
0xabb836 gimplify_return_expr
        /home/jwakely/src/gcc/gcc/gcc/gimplify.c:1280
0xaa8510 gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
        /home/jwakely/src/gcc/gcc/gcc/gimplify.c:8144
0xaabdb6 gimplify_stmt(tree_node**, gimple_statement_base**)
        /home/jwakely/src/gcc/gcc/gcc/gimplify.c:5514
0xaa7750 gimplify_cleanup_point_expr
        /home/jwakely/src/gcc/gcc/gcc/gimplify.c:5290
0xaa7750 gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
        /home/jwakely/src/gcc/gcc/gcc/gimplify.c:8260
0xaabdb6 gimplify_stmt(tree_node**, gimple_statement_base**)
        /home/jwakely/src/gcc/gcc/gcc/gimplify.c:5514
0xaad72d gimplify_body(tree_node*, bool)
        /home/jwakely/src/gcc/gcc/gcc/gimplify.c:9048
0xaadd86 gimplify_function_tree(tree_node*)
        /home/jwakely/src/gcc/gcc/gcc/gimplify.c:9202
0x8ed6d7 cgraph_node::analyze()
        /home/jwakely/src/gcc/gcc/gcc/cgraphunit.c:633
0x8f0406 analyze_functions
        /home/jwakely/src/gcc/gcc/gcc/cgraphunit.c:1023
0x8f0b75 symbol_table::finalize_compilation_unit()
        /home/jwakely/src/gcc/gcc/gcc/cgraphunit.c:2435
0x6bcde0 cp_write_global_declarations()
        /home/jwakely/src/gcc/gcc/gcc/cp/decl2.c:4754