[Bug c++/84453] New: [8 Regression] ICE in build_type_attribute_qual_variant, at attribs.c:1166

["marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84453

            Bug ID: 84453
           Summary: [8 Regression] ICE in
                    build_type_attribute_qual_variant, at attribs.c:1166
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
  Target Milestone: ---

I see it on ppc64le cross compiler:

$ ppc64le-linux-gnu-g++
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/cpp0x/ref-qual14.C -c
-mlongcall
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/cpp0x/ref-qual14.C:9:44:
internal compiler error: in build_type_attribute_qual_variant, at
attribs.c:1166
 struct target_class<Ret (Class::*)(Args...)>
                                            ^
0x838d35 build_type_attribute_qual_variant(tree_node*, tree_node*, int)
        .././../gcc/attribs.c:1166
0x7f55ed cp_build_type_attribute_variant(tree_node*, tree_node*)
        .././../gcc/cp/tree.c:4628
0x803e29 strip_typedefs(tree_node*, bool*)
        .././../gcc/cp/tree.c:1620
0x8042e0 strip_typedefs(tree_node*, bool*)
        .././../gcc/cp/tree.c:1406
0x8044fd strip_typedefs(tree_node*, bool*)
        .././../gcc/cp/tree.c:1421
0x7486ec canonicalize_type_argument
        .././../gcc/cp/pt.c:7515
0x796383 coerce_template_parms
        .././../gcc/cp/pt.c:8324
0x78b92a lookup_template_class_1
        .././../gcc/cp/pt.c:8860
0x78b92a lookup_template_class(tree_node*, tree_node*, tree_node*, tree_node*,
int, int)
        .././../gcc/cp/pt.c:9209
0x7d01ad finish_template_type(tree_node*, tree_node*, int)
        .././../gcc/cp/semantics.c:3183
0x71fb74 cp_parser_template_id
        .././../gcc/cp/parser.c:15824
0x71fd9f cp_parser_class_name
        .././../gcc/cp/parser.c:22344
0x72dffe cp_parser_qualifying_entity
        .././../gcc/cp/parser.c:6574
0x72dffe cp_parser_nested_name_specifier_opt
        .././../gcc/cp/parser.c:6260
0x727cd5 cp_parser_class_head
        .././../gcc/cp/parser.c:22832
0x727cd5 cp_parser_class_specifier_1
        .././../gcc/cp/parser.c:22428
0x729ab1 cp_parser_class_specifier
        .././../gcc/cp/parser.c:22742
0x729ab1 cp_parser_type_specifier
        .././../gcc/cp/parser.c:16748
0x737c86 cp_parser_decl_specifier_seq
        .././../gcc/cp/parser.c:13606
0x73cf25 cp_parser_single_declaration
        .././../gcc/cp/parser.c:27054
Please submit a full bug report,

And I also see it on x86_64-linux-gnu, but I'll need some time to reduce a
test-case.