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* [Bug c++/51216] New: [4.6/4.7 Regression] ICE with statement expression
@ 2011-11-18 23:01 reichelt at gcc dot gnu.org
  2011-11-18 23:02 ` [Bug c++/51216] " reichelt at gcc dot gnu.org
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: reichelt at gcc dot gnu.org @ 2011-11-18 23:01 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51216

             Bug #: 51216
           Summary: [4.6/4.7 Regression] ICE with statement expression
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: reichelt@gcc.gnu.org


The following code snippet triggers an ICE since GCC 4.6.0 when compiled with
"-std=c++0x":

==========================
void foo()
{
  int i = ({ if (1) ; });
}
==========================

bug.cc: In function 'void foo()':
bug.cc:3:24: sorry, unimplemented: unexpected AST of kind if_stmt
bug.cc:3:24: internal compiler error: in potential_constant_expression_1, at
cp/semantics.c:8426
Please submit a full bug report, [etc.]


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug c++/51216] [4.6/4.7 Regression] ICE with statement expression
  2011-11-18 23:01 [Bug c++/51216] New: [4.6/4.7 Regression] ICE with statement expression reichelt at gcc dot gnu.org
@ 2011-11-18 23:02 ` reichelt at gcc dot gnu.org
  2011-11-18 23:27 ` paolo.carlini at oracle dot com
                   ` (2 subsequent siblings)
  3 siblings, 0 replies; 5+ messages in thread
From: reichelt at gcc dot gnu.org @ 2011-11-18 23:02 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51216

Volker Reichelt <reichelt at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-invalid-code
   Target Milestone|---                         |4.6.3


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug c++/51216] [4.6/4.7 Regression] ICE with statement expression
  2011-11-18 23:01 [Bug c++/51216] New: [4.6/4.7 Regression] ICE with statement expression reichelt at gcc dot gnu.org
  2011-11-18 23:02 ` [Bug c++/51216] " reichelt at gcc dot gnu.org
@ 2011-11-18 23:27 ` paolo.carlini at oracle dot com
  2011-11-19 23:57 ` paolo at gcc dot gnu.org
  2011-12-21 18:35 ` [Bug c++/51216] [4.6 " paolo.carlini at oracle dot com
  3 siblings, 0 replies; 5+ messages in thread
From: paolo.carlini at oracle dot com @ 2011-11-18 23:27 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51216

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011-11-18
     Ever Confirmed|0                           |1

--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-11-18 23:21:46 UTC ---
Likewise for { while (1) ; } or { for (;;) ; } for example.


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug c++/51216] [4.6/4.7 Regression] ICE with statement expression
  2011-11-18 23:01 [Bug c++/51216] New: [4.6/4.7 Regression] ICE with statement expression reichelt at gcc dot gnu.org
  2011-11-18 23:02 ` [Bug c++/51216] " reichelt at gcc dot gnu.org
  2011-11-18 23:27 ` paolo.carlini at oracle dot com
@ 2011-11-19 23:57 ` paolo at gcc dot gnu.org
  2011-12-21 18:35 ` [Bug c++/51216] [4.6 " paolo.carlini at oracle dot com
  3 siblings, 0 replies; 5+ messages in thread
From: paolo at gcc dot gnu.org @ 2011-11-19 23:57 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51216

--- Comment #2 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2011-11-19 23:17:16 UTC ---
Author: paolo
Date: Sat Nov 19 23:17:12 2011
New Revision: 181517

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181517
Log:
/cp
2011-11-19  Paolo Carlini  <paolo.carlini@oracle.com>

    PR c++/51216
    * semantics.c (potential_constant_expression_1): Handle IF_STMT,
    DO_STMT, FOR_STMT, and WHILE_STMT.

/testsuite
2011-11-19  Paolo Carlini  <paolo.carlini@oracle.com>

    PR c++/51216
    * g++.dg/cpp0x/pr51216.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/pr51216.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/semantics.c
    trunk/gcc/testsuite/ChangeLog


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug c++/51216] [4.6 Regression] ICE with statement expression
  2011-11-18 23:01 [Bug c++/51216] New: [4.6/4.7 Regression] ICE with statement expression reichelt at gcc dot gnu.org
                   ` (2 preceding siblings ...)
  2011-11-19 23:57 ` paolo at gcc dot gnu.org
@ 2011-12-21 18:35 ` paolo.carlini at oracle dot com
  3 siblings, 0 replies; 5+ messages in thread
From: paolo.carlini at oracle dot com @ 2011-12-21 18:35 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51216

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|4.6.3                       |4.7.0

--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-12-21 18:29:44 UTC ---
Fixed for 4.7.0.


^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2011-12-21 18:31 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2011-11-18 23:01 [Bug c++/51216] New: [4.6/4.7 Regression] ICE with statement expression reichelt at gcc dot gnu.org
2011-11-18 23:02 ` [Bug c++/51216] " reichelt at gcc dot gnu.org
2011-11-18 23:27 ` paolo.carlini at oracle dot com
2011-11-19 23:57 ` paolo at gcc dot gnu.org
2011-12-21 18:35 ` [Bug c++/51216] [4.6 " paolo.carlini at oracle dot com

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