[Bug c++/66533] New: ICE: in dependent_type_p, at cp/pt.c:21073

[Bug c++/66533] New: ICE: in dependent_type_p, at cp/pt.c:21073

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66533

            Bug ID: 66533
           Summary: ICE: in dependent_type_p, at cp/pt.c:21073
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: trippels at gcc dot gnu.org
  Target Milestone: ---

% echo "auto a([](auto) -> decltype((void)0) {});" | g++ -c -x c++ -std=c++14 -
<stdin>: In lambda function:
<stdin>:1:20: internal compiler error: in dependent_type_p, at cp/pt.c:21073
0x101e01e3 dependent_type_p(tree_node*)
        ../../gcc/gcc/cp/pt.c:21073
0x101a48a7 require_complete_types_for_parms
        ../../gcc/gcc/cp/decl.c:11123
0x101a48a7 check_function_type
        ../../gcc/gcc/cp/decl.c:13272
0x101a48a7 start_preparsed_function(tree_node*, tree_node*, int)
        ../../gcc/gcc/cp/decl.c:13446
0x102bf6a3 cp_parser_lambda_body
        ../../gcc/gcc/cp/parser.c:9498
0x102bf6a3 cp_parser_lambda_expression
        ../../gcc/gcc/cp/parser.c:9060
0x102bf6a3 cp_parser_primary_expression
        ../../gcc/gcc/cp/parser.c:4453
0x102ce157 cp_parser_postfix_expression
        ../../gcc/gcc/cp/parser.c:6131
0x102d19c7 cp_parser_unary_expression
        ../../gcc/gcc/cp/parser.c:7412
0x102d2eaf cp_parser_binary_expression
        ../../gcc/gcc/cp/parser.c:8147
0x102d391b cp_parser_assignment_expression
        ../../gcc/gcc/cp/parser.c:8404
0x102d3fff cp_parser_constant_expression
        ../../gcc/gcc/cp/parser.c:8650
0x102d55d7 cp_parser_parenthesized_expression_list
        ../../gcc/gcc/cp/parser.c:6880
0x102d68ab cp_parser_initializer
        ../../gcc/gcc/cp/parser.c:19310
0x102f7edb cp_parser_init_declarator
        ../../gcc/gcc/cp/parser.c:17263
0x102fad43 cp_parser_simple_declaration
        ../../gcc/gcc/cp/parser.c:11608
0x102f26e7 cp_parser_block_declaration
        ../../gcc/gcc/cp/parser.c:11482
0x102ffc8f cp_parser_declaration
        ../../gcc/gcc/cp/parser.c:11379
0x102fdc2f cp_parser_declaration_seq_opt
        ../../gcc/gcc/cp/parser.c:11265
0x102fe013 cp_parser_translation_unit
        ../../gcc/gcc/cp/parser.c:4100
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.

[Bug c++/66533] [C++14] ICE: in dependent_type_p, at cp/pt.c:21073

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66533

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-06-18
                 CC|                            |mpolacek at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed.  ICEs since 4.9, was rejected with 4.8.

[Bug c++/66533] [C++14] ICE: in dependent_type_p, at cp/pt.c:21073

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66533

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
ICE started with r208426.

[Bug c++/66533] [C++14] ICE: in dependent_type_p, at cp/pt.c:21073

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66533

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Thu Aug  6 16:33:14 2015
New Revision: 226684

URL: https://gcc.gnu.org/viewcvs?rev=226684&root=gcc&view=rev
Log:
        PR c++/66533
        * parser.c (cp_parser_primary_expression): Don't skip to the end
        of the statement if we're parsing tentatively.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1y/lambda-generic-ice3.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/parser.c

[Bug c++/66533] [C++14] ICE: in dependent_type_p, at cp/pt.c:21073

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66533

--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Thu Aug  6 16:36:58 2015
New Revision: 226685

URL: https://gcc.gnu.org/viewcvs?rev=226685&root=gcc&view=rev
Log:
        PR c++/66533
        * parser.c (cp_parser_primary_expression): Don't skip to the end
        of the statement if we're parsing tentatively.

Added:
    branches/gcc-5-branch/gcc/testsuite/g++.dg/cpp1y/lambda-generic-ice3.C
Modified:
    branches/gcc-5-branch/gcc/cp/ChangeLog
    branches/gcc-5-branch/gcc/cp/parser.c

[Bug c++/66533] [C++14] ICE: in dependent_type_p, at cp/pt.c:21073

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66533

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
           Assignee|unassigned at gcc dot gnu.org      |jason at gcc dot gnu.org
   Target Milestone|---                         |5.3

--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> ---
Fixed