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* [Bug c++/65876] New: [5/6 Regression] [C++11] ICE in cxx_eval_call_expression, at cp/constexpr.c:1358
@ 2015-04-24 13:13 maltsevm at gmail dot com
  2015-04-24 13:28 ` [Bug c++/65876] " mpolacek at gcc dot gnu.org
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: maltsevm at gmail dot com @ 2015-04-24 13:13 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65876

            Bug ID: 65876
           Summary: [5/6 Regression] [C++11] ICE in
                    cxx_eval_call_expression, at cp/constexpr.c:1358
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: maltsevm at gmail dot com

Consider the following code:

$ cat test.cc
template<int>
struct duration
{
    constexpr duration() : r(0) {}

    template<int TPeriod>
    constexpr duration(duration<TPeriod> x) : r(x.count()) {}

    constexpr int count() { return 0; }

    int r;
};

struct Config {
    duration<1> timeout { duration<2>() };
};

Config make_config()
{
    return {};
}

struct ConfigArray {
    ConfigArray();
    Config all_configs[1];
};

ConfigArray::ConfigArray()
{
}

When trying to compile it with GCC 5.1 or trunk r222403 using the following
options:
$ g++ -c -std=c++11 ./test.cc

I get the following error:
./test.cc: In constructor 'ConfigArray::ConfigArray()':
./test.cc:28:26:   in constexpr expansion of 'Config()'
./test.cc:28:26:   in constexpr expansion of 'duration<1>(duration<2>())'
./test.cc:7:58:   in constexpr expansion of 'x.duration<<anonymous>
>::count<2>()'
./test.cc:28:26: internal compiler error: in cxx_eval_call_expression, at
cp/constexpr.c:1331
 ConfigArray::ConfigArray()
                          ^
0x7eb08e cxx_eval_call_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:1331
0x7ebf0c cxx_eval_constant_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:3038
0x7ef0ca cxx_eval_store_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:2651
0x7ec869 cxx_eval_constant_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:3112
0x7ec052 cxx_eval_constant_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:3365
0x7ec310 cxx_eval_constant_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:3229
0x7ec310 cxx_eval_constant_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:3229
0x7ebf64 cxx_eval_constant_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:3406
0x7f229e cxx_eval_statement_list
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:2828
0x7ec76c cxx_eval_constant_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:3400
0x7eb188 cxx_eval_call_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:1365
0x7ebf0c cxx_eval_constant_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:3038
0x7ecc94 cxx_eval_constant_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:3097
0x7ef0ca cxx_eval_store_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:2651
0x7ec869 cxx_eval_constant_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:3112
0x7ec052 cxx_eval_constant_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:3365
0x7ec310 cxx_eval_constant_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:3229
0x7ec310 cxx_eval_constant_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:3229
0x7ebf64 cxx_eval_constant_expression
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:3406
0x7f229e cxx_eval_statement_list
        /home/miyuki/gcc/src/gcc/cp/constexpr.c:2828
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.


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug c++/65876] [5/6 Regression] [C++11] ICE in cxx_eval_call_expression, at cp/constexpr.c:1358
  2015-04-24 13:13 [Bug c++/65876] New: [5/6 Regression] [C++11] ICE in cxx_eval_call_expression, at cp/constexpr.c:1358 maltsevm at gmail dot com
@ 2015-04-24 13:28 ` mpolacek at gcc dot gnu.org
  2015-04-29  2:17 ` jason at gcc dot gnu.org
                   ` (3 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-04-24 13:28 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65876

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-04-24
                 CC|                            |mpolacek at gcc dot gnu.org
   Target Milestone|---                         |5.2
     Ever confirmed|0                           |1

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Started with r220544.


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug c++/65876] [5/6 Regression] [C++11] ICE in cxx_eval_call_expression, at cp/constexpr.c:1358
  2015-04-24 13:13 [Bug c++/65876] New: [5/6 Regression] [C++11] ICE in cxx_eval_call_expression, at cp/constexpr.c:1358 maltsevm at gmail dot com
  2015-04-24 13:28 ` [Bug c++/65876] " mpolacek at gcc dot gnu.org
@ 2015-04-29  2:17 ` jason at gcc dot gnu.org
  2015-04-30 14:19 ` jason at gcc dot gnu.org
                   ` (2 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: jason at gcc dot gnu.org @ 2015-04-29  2:17 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65876

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |jason at gcc dot gnu.org
           Assignee|unassigned at gcc dot gnu.org      |jason at gcc dot gnu.org


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug c++/65876] [5/6 Regression] [C++11] ICE in cxx_eval_call_expression, at cp/constexpr.c:1358
  2015-04-24 13:13 [Bug c++/65876] New: [5/6 Regression] [C++11] ICE in cxx_eval_call_expression, at cp/constexpr.c:1358 maltsevm at gmail dot com
  2015-04-24 13:28 ` [Bug c++/65876] " mpolacek at gcc dot gnu.org
  2015-04-29  2:17 ` jason at gcc dot gnu.org
@ 2015-04-30 14:19 ` jason at gcc dot gnu.org
  2015-04-30 14:22 ` [Bug c++/65876] [6 " jason at gcc dot gnu.org
  2015-07-16  9:11 ` rguenth at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: jason at gcc dot gnu.org @ 2015-04-30 14:19 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65876

--- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Thu Apr 30 14:19:24 2015
New Revision: 222628

URL: https://gcc.gnu.org/viewcvs?rev=222628&root=gcc&view=rev
Log:
        PR c++/65876
        * constexpr.c (cxx_eval_call_expression): Fail gracefully if cgraph
        threw away DECL_SAVED_TREE.

Added:
    branches/gcc-5-branch/gcc/testsuite/g++.dg/cpp0x/constexpr-array12.C
Modified:
    branches/gcc-5-branch/gcc/cp/ChangeLog
    branches/gcc-5-branch/gcc/cp/constexpr.c


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug c++/65876] [6 Regression] [C++11] ICE in cxx_eval_call_expression, at cp/constexpr.c:1358
  2015-04-24 13:13 [Bug c++/65876] New: [5/6 Regression] [C++11] ICE in cxx_eval_call_expression, at cp/constexpr.c:1358 maltsevm at gmail dot com
                   ` (2 preceding siblings ...)
  2015-04-30 14:19 ` jason at gcc dot gnu.org
@ 2015-04-30 14:22 ` jason at gcc dot gnu.org
  2015-07-16  9:11 ` rguenth at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: jason at gcc dot gnu.org @ 2015-04-30 14:22 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65876

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[5/6 Regression] [C++11]    |[6 Regression] [C++11] ICE
                   |ICE in                      |in
                   |cxx_eval_call_expression,   |cxx_eval_call_expression,
                   |at cp/constexpr.c:1358      |at cp/constexpr.c:1358

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
Fixed for 5.2.


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug c++/65876] [6 Regression] [C++11] ICE in cxx_eval_call_expression, at cp/constexpr.c:1358
  2015-04-24 13:13 [Bug c++/65876] New: [5/6 Regression] [C++11] ICE in cxx_eval_call_expression, at cp/constexpr.c:1358 maltsevm at gmail dot com
                   ` (3 preceding siblings ...)
  2015-04-30 14:22 ` [Bug c++/65876] [6 " jason at gcc dot gnu.org
@ 2015-07-16  9:11 ` rguenth at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-07-16  9:11 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65876

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|5.2                         |5.3

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 5.2 is being released, adjusting target milestone to 5.3.


^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2015-07-16  9:11 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-04-24 13:13 [Bug c++/65876] New: [5/6 Regression] [C++11] ICE in cxx_eval_call_expression, at cp/constexpr.c:1358 maltsevm at gmail dot com
2015-04-24 13:28 ` [Bug c++/65876] " mpolacek at gcc dot gnu.org
2015-04-29  2:17 ` jason at gcc dot gnu.org
2015-04-30 14:19 ` jason at gcc dot gnu.org
2015-04-30 14:22 ` [Bug c++/65876] [6 " jason at gcc dot gnu.org
2015-07-16  9:11 ` rguenth at gcc dot gnu.org

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