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* [Bug c++/51612] New: [c++0x] [4.7 Regression] ICE with constexpr constructor and virtual base class
@ 2011-12-18 20:55 reichelt at gcc dot gnu.org
2011-12-18 21:53 ` [Bug c++/51612] " reichelt at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: reichelt at gcc dot gnu.org @ 2011-12-18 20:55 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51612
Bug #: 51612
Summary: [c++0x] [4.7 Regression] ICE with constexpr
constructor and virtual base class
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 valid code snippet triggers an ICE on trunk:
========================
struct A {};
struct B : virtual A
{
constexpr B() {}
};
========================
bug.cc: In constructor 'constexpr B::B()':
bug.cc:5:18: internal compiler error: in build_data_member_initialization, at
cp/semantics.c:5781
Please submit a full bug report, [etc.]
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/51612] [c++0x] [4.7 Regression] ICE with constexpr constructor and virtual base class
2011-12-18 20:55 [Bug c++/51612] New: [c++0x] [4.7 Regression] ICE with constexpr constructor and virtual base class reichelt at gcc dot gnu.org
@ 2011-12-18 21:53 ` reichelt at gcc dot gnu.org
2011-12-18 22:33 ` jason at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: reichelt at gcc dot gnu.org @ 2011-12-18 21:53 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51612
Volker Reichelt <reichelt at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-valid-code
Target Milestone|--- |4.7.0
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/51612] [c++0x] [4.7 Regression] ICE with constexpr constructor and virtual base class
2011-12-18 20:55 [Bug c++/51612] New: [c++0x] [4.7 Regression] ICE with constexpr constructor and virtual base class reichelt at gcc dot gnu.org
2011-12-18 21:53 ` [Bug c++/51612] " reichelt at gcc dot gnu.org
@ 2011-12-18 22:33 ` jason at gcc dot gnu.org
2011-12-20 0:37 ` [Bug c++/51612] [c++0x] [4.6/4.7 " paolo.carlini at oracle dot com
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: jason at gcc dot gnu.org @ 2011-12-18 22:33 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51612
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords|ice-on-valid-code |ice-on-invalid-code
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011-12-18
CC| |jason at gcc dot gnu.org
Ever Confirmed|0 |1
--- Comment #1 from Jason Merrill <jason at gcc dot gnu.org> 2011-12-18 22:27:30 UTC ---
This is not valid code; a class with virtual bases cannot have a constexpr
constructor.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/51612] [c++0x] [4.6/4.7 Regression] ICE with constexpr constructor and virtual base class
2011-12-18 20:55 [Bug c++/51612] New: [c++0x] [4.7 Regression] ICE with constexpr constructor and virtual base class reichelt at gcc dot gnu.org
2011-12-18 21:53 ` [Bug c++/51612] " reichelt at gcc dot gnu.org
2011-12-18 22:33 ` jason at gcc dot gnu.org
@ 2011-12-20 0:37 ` paolo.carlini at oracle dot com
2011-12-20 10:40 ` paolo at gcc dot gnu.org
2011-12-20 10:53 ` paolo.carlini at oracle dot com
4 siblings, 0 replies; 6+ messages in thread
From: paolo.carlini at oracle dot com @ 2011-12-20 0:37 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51612
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
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/51612] [c++0x] [4.6/4.7 Regression] ICE with constexpr constructor and virtual base class
2011-12-18 20:55 [Bug c++/51612] New: [c++0x] [4.7 Regression] ICE with constexpr constructor and virtual base class reichelt at gcc dot gnu.org
` (2 preceding siblings ...)
2011-12-20 0:37 ` [Bug c++/51612] [c++0x] [4.6/4.7 " paolo.carlini at oracle dot com
@ 2011-12-20 10:40 ` paolo at gcc dot gnu.org
2011-12-20 10:53 ` paolo.carlini at oracle dot com
4 siblings, 0 replies; 6+ messages in thread
From: paolo at gcc dot gnu.org @ 2011-12-20 10:40 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51612
--- Comment #2 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2011-12-20 10:38:48 UTC ---
Author: paolo
Date: Tue Dec 20 10:38:44 2011
New Revision: 182526
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182526
Log:
/cp
2011-12-20 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/51612
* semantics.c (is_valid_constexpr_fn): In case of constexpr
constructors also check for virtual base classes.
/testsuite
2011-12-20 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/51612
* g++.dg/cpp0x/constexpr-ice4.C: New.
Added:
trunk/gcc/testsuite/g++.dg/cpp0x/constexpr-ice4.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/semantics.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/51612] [c++0x] [4.6/4.7 Regression] ICE with constexpr constructor and virtual base class
2011-12-18 20:55 [Bug c++/51612] New: [c++0x] [4.7 Regression] ICE with constexpr constructor and virtual base class reichelt at gcc dot gnu.org
` (3 preceding siblings ...)
2011-12-20 10:40 ` paolo at gcc dot gnu.org
@ 2011-12-20 10:53 ` paolo.carlini at oracle dot com
4 siblings, 0 replies; 6+ messages in thread
From: paolo.carlini at oracle dot com @ 2011-12-20 10:53 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51612
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-12-20 10:40:43 UTC ---
Fixed for 4.7.0.
^ permalink raw reply [flat|nested] 6+ messages in thread
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2011-12-18 20:55 [Bug c++/51612] New: [c++0x] [4.7 Regression] ICE with constexpr constructor and virtual base class reichelt at gcc dot gnu.org
2011-12-18 21:53 ` [Bug c++/51612] " reichelt at gcc dot gnu.org
2011-12-18 22:33 ` jason at gcc dot gnu.org
2011-12-20 0:37 ` [Bug c++/51612] [c++0x] [4.6/4.7 " paolo.carlini at oracle dot com
2011-12-20 10:40 ` paolo at gcc dot gnu.org
2011-12-20 10:53 ` paolo.carlini at oracle dot com
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