[Bug c++/59832] New: [c++11][4.8, 4.9] ICE in reshape_init_class with initializer list

["ppluzhnikov at google dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59832

            Bug ID: 59832
           Summary: [c++11][4.8, 4.9] ICE in reshape_init_class with
                    initializer list
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ppluzhnikov at google dot com

Google ref b/12545403

/// -- cut ---
struct A
{
  struct B
  {
    int aa;
    int bb;
  };
  B cc;
};

void Fn1 (const A &);

void
Fn2 ()
{
  Fn1 ( { { bb: 0 } });
}
/// -- cut ---

Using trunk:
g++ (GCC) 4.9.0 20140110 (experimental)

g++ -c -g -std=c++11 t.ii
t.ii: In function âvoid Fn2()â:
t.ii:16:22: internal compiler error: in reshape_init_class, at cp/decl.c:5267
   Fn1 ( { { bb: 0 } });
                      ^
0x56de5d reshape_init_class
        ../../gcc/cp/decl.c:5267
0x56de5d reshape_init_r
        ../../gcc/cp/decl.c:5493
0x56d026 reshape_init(tree_node*, tree_node*, int)
        ../../gcc/cp/decl.c:5537
0x55364f build_aggr_conv
        ../../gcc/cp/call.c:885
0x55364f implicit_conversion
        ../../gcc/cp/call.c:1757
0x5587d6 can_convert_arg(tree_node*, tree_node*, tree_node*, int, int)
        ../../gcc/cp/call.c:8948
0x5536e5 build_aggr_conv
        ../../gcc/cp/call.c:910
0x5536e5 implicit_conversion
        ../../gcc/cp/call.c:1757
0x554041 reference_binding
        ../../gcc/cp/call.c:1464
0x552e5c implicit_conversion
        ../../gcc/cp/call.c:1698
0x555112 add_function_candidate
        ../../gcc/cp/call.c:2002
0x551836 add_candidates
        ../../gcc/cp/call.c:5094
0x558b82 perform_overload_resolution
        ../../gcc/cp/call.c:3819
0x55f68a build_new_function_call(tree_node*, vec<tree_node*, va_gc,
vl_embed>**, bool, int)
        ../../gcc/cp/call.c:3896
0x6d9711 finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool,
bool, int)
        ../../gcc/cp/semantics.c:2281
0x65c73e cp_parser_postfix_expression
        ../../gcc/cp/parser.c:6171
0x65f418 cp_parser_unary_expression
        ../../gcc/cp/parser.c:7177
0x6600af cp_parser_binary_expression
        ../../gcc/cp/parser.c:7881
0x6605a1 cp_parser_assignment_expression
        ../../gcc/cp/parser.c:8119
0x662534 cp_parser_expression
        ../../gcc/cp/parser.c:8281
Please submit a full bug report,


Without -std=c++11, same crash after warning:

g++ -c -g  t.ii
t.ii: In function âvoid Fn2()â:
t.ii:16:7: warning: extended initializer lists only available with -std=c++11
or -std=gnu++11 [enabled by default]
   Fn1 ( { { bb: 0 } });
       ^
t.ii:16:22: warning: extended initializer lists only available with -std=c++11
or -std=gnu++11 [enabled by default]
   Fn1 ( { { bb: 0 } });
                      ^
t.ii:16:22: internal compiler error: in reshape_init_class, at cp/decl.c:5267
0x56de5d reshape_init_class
        ../../gcc/cp/decl.c:5267
...