[Bug c++/55951] New: ICE in check_array_designated_initializer, at cp/decl.c:4785

[Bug c++/55951] New: ICE in check_array_designated_initializer, at cp/decl.c:4785

[ppluzhnikov at google dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55951

             Bug #: 55951
           Summary: ICE in check_array_designated_initializer, at
                    cp/decl.c:4785
    Classification: Unclassified
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: ppluzhnikov@google.com


Google ref: b/7991668

GCC-4.7 and current trunk ICE on this source:


enum { A };

static const char *a[] = {
  [A] = "a"
};



g++ -c t.cc
t.cc:5:1: internal compiler error: in check_array_designated_initializer, at
cp/decl.c:4785
 };
 ^
0x516a63 check_array_designated_initializer
    ../../gcc/cp/decl.c:4785
0x528429 reshape_init_array_1
    ../../gcc/cp/decl.c:5084
0x5274d9 reshape_init(tree_node*, tree_node*, int)
    ../../gcc/cp/decl.c:5470
0x529479 check_initializer
    ../../gcc/cp/decl.c:5642
0x53bc45 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
    ../../gcc/cp/decl.c:6320
0x6133db cp_parser_init_declarator
    ../../gcc/cp/parser.c:16030
0x613c4e cp_parser_simple_declaration
    ../../gcc/cp/parser.c:10561
0x615a20 cp_parser_block_declaration
    ../../gcc/cp/parser.c:10442
0x61e60b cp_parser_declaration
    ../../gcc/cp/parser.c:10339
0x61d2dd cp_parser_declaration_seq_opt
    ../../gcc/cp/parser.c:10225
0x61eb82 cp_parser_translation_unit
    ../../gcc/cp/parser.c:3807
0x61eb82 c_parse_file()
    ../../gcc/cp/parser.c:28175
0x725a94 c_common_parse_file()
    ../../gcc/c-family/c-opts.c:1022
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++/55951] ICE in check_array_designated_initializer, at cp/decl.c:4785

[ppluzhnikov at google dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55951

--- Comment #1 from Paul Pluzhnikov <ppluzhnikov at google dot com> 2013-01-24 18:54:47 UTC ---
Re-confirmed with: g++ (GCC) 4.8.0 20130124 (experimental)

[Bug c++/55951] ICE in check_array_designated_initializer, at cp/decl.c:4785

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55951

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-01-28
     Ever Confirmed|0                           |1

[Bug c++/55951] ICE in check_array_designated_initializer, at cp/decl.c:4785

[doko at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55951

Matthias Klose <doko at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
   Last reconfirmed|2013-01-28 00:00:00         |2013-03-26 0:00
                 CC|                            |doko at gcc dot gnu.org
      Known to fail|                            |4.7.3, 4.8.0

--- Comment #2 from Matthias Klose <doko at gcc dot gnu.org> 2013-03-26 10:23:48 UTC ---
[forwarding from http://bugs.debian.org/703945]

seen with current 4.7 and 4.8 branches.

$ g++-4.8 -c -std=c++11 LiczbaTest.ii
In file included from LiczbaTest.cpp:1:0:
Liczba.hpp:33:45: internal compiler error: in
check_array_designated_initializer, at cp/decl.c:4784
Please submit a full bug report,

[Bug c++/55951] ICE in check_array_designated_initializer, at cp/decl.c:4785

[doko at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55951

--- Comment #3 from Matthias Klose <doko at gcc dot gnu.org> 2013-03-26 10:24:14 UTC ---
Created attachment 29727
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29727
preprocessed source

[Bug c++/55951] [4.8/4.9 Regression] ICE in check_array_designated_initializer, at cp/decl.c:4785

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55951

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|ICE in                      |[4.8/4.9 Regression] ICE in
                   |check_array_designated_init |check_array_designated_init
                   |ializer, at cp/decl.c:4785  |ializer, at cp/decl.c:4785
      Known to fail|4.7.3                       |4.9.0

--- Comment #4 from Paolo Carlini <paolo.carlini at oracle dot com> 2013-03-26 10:37:05 UTC ---
On x86_64-linux, I can't confirm current 4_7-branch, neither stock 4.7.2.

[Bug c++/55951] [4.8/4.9 Regression] ICE in check_array_designated_initializer, at cp/decl.c:4785

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55951

--- Comment #5 from Paolo Carlini <paolo.carlini at oracle dot com> 2013-03-26 10:56:53 UTC ---
ce->index is a CONST_DECL in mainline and 4_8-branch, an Ok INTEGER_CST in
4_7-branch.

[Bug c++/55951] [4.8/4.9 Regression] ICE in check_array_designated_initializer, at cp/decl.c:4785

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55951

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
         AssignedTo|unassigned at gcc dot       |paolo.carlini at oracle dot
                   |gnu.org                     |com

--- Comment #6 from Paolo Carlini <paolo.carlini at oracle dot com> 2013-03-26 11:19:55 UTC ---
Let's have a look.

[Bug c++/55951] [4.8/4.9 Regression] ICE in check_array_designated_initializer, at cp/decl.c:4785

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55951

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.8.1

--- Comment #7 from Paolo Carlini <paolo.carlini at oracle dot com> 2013-03-26 16:50:29 UTC ---
Fixed in mainline so far.

[Bug c++/55951] [4.8/4.9 Regression] ICE in check_array_designated_initializer, at cp/decl.c:4785

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55951

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #8 from Paolo Carlini <paolo.carlini at oracle dot com> 2013-04-01 21:36:28 UTC ---
Fixed 4.8.1 too.