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* [Bug c++/54341] New: [4.7 / 4.8 Regression] ICE (segfault) in cx_check_missing_mem_inits, at cp/semantics.c:6093
@ 2012-08-21 10:24 doko at gcc dot gnu.org
2012-08-21 11:36 ` [Bug c++/54341] [4.7/4.8 " paolo.carlini at oracle dot com
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: doko at gcc dot gnu.org @ 2012-08-21 10:24 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54341
Bug #: 54341
Summary: [4.7 / 4.8 Regression] ICE (segfault) in
cx_check_missing_mem_inits, at cp/semantics.c:6093
Classification: Unclassified
Product: gcc
Version: 4.7.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: doko@gcc.gnu.org
[forwarded from http://bugs.debian.org/685430]
works with 4.6, fails with current 4.7 branch and trunk:
#include <memory>
class VTableClass {
public:
virtual void someVirtualMethod() { }
};
class SomeClass : public std::enable_shared_from_this< SomeClass >, public
VTableClass { };
SomeClass* createInstance()
{
return new SomeClass;
}
g++ -std=c++0x -c testcase.cc
testcase.cc: In constructor 'constexpr SomeClass::SomeClass()':
testcase.cc:9:7: internal compiler error: in cx_check_missing_mem_inits, at
cp/semantics.c:6093
class SomeClass : public std::enable_shared_from_this< SomeClass >, public
VTableClass { };
^
Please submit a full bug report,
with preprocessed source if appropriate.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/54341] [4.7/4.8 Regression] ICE (segfault) in cx_check_missing_mem_inits, at cp/semantics.c:6093
2012-08-21 10:24 [Bug c++/54341] New: [4.7 / 4.8 Regression] ICE (segfault) in cx_check_missing_mem_inits, at cp/semantics.c:6093 doko at gcc dot gnu.org
@ 2012-08-21 11:36 ` paolo.carlini at oracle dot com
2012-08-21 11:46 ` paolo.carlini at oracle dot com
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: paolo.carlini at oracle dot com @ 2012-08-21 11:36 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54341
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2012-08-21
Ever Confirmed|0 |1
--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-08-21 11:36:23 UTC ---
Seems closely related to PR54253.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/54341] [4.7/4.8 Regression] ICE (segfault) in cx_check_missing_mem_inits, at cp/semantics.c:6093
2012-08-21 10:24 [Bug c++/54341] New: [4.7 / 4.8 Regression] ICE (segfault) in cx_check_missing_mem_inits, at cp/semantics.c:6093 doko at gcc dot gnu.org
2012-08-21 11:36 ` [Bug c++/54341] [4.7/4.8 " paolo.carlini at oracle dot com
@ 2012-08-21 11:46 ` paolo.carlini at oracle dot com
2012-08-21 17:51 ` hjl.tools at gmail dot com
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: paolo.carlini at oracle dot com @ 2012-08-21 11:46 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54341
--- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-08-21 11:46:12 UTC ---
Reduced:
template<typename T>
struct enable_shared_from_this
{
constexpr enable_shared_from_this();
private:
int mem;
};
class VTableClass {
public:
virtual void someVirtualMethod() { }
};
class SomeClass : public enable_shared_from_this< SomeClass >, public
VTableClass { };
SomeClass* createInstance()
{
return new SomeClass;
}
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/54341] [4.7/4.8 Regression] ICE (segfault) in cx_check_missing_mem_inits, at cp/semantics.c:6093
2012-08-21 10:24 [Bug c++/54341] New: [4.7 / 4.8 Regression] ICE (segfault) in cx_check_missing_mem_inits, at cp/semantics.c:6093 doko at gcc dot gnu.org
2012-08-21 11:36 ` [Bug c++/54341] [4.7/4.8 " paolo.carlini at oracle dot com
2012-08-21 11:46 ` paolo.carlini at oracle dot com
@ 2012-08-21 17:51 ` hjl.tools at gmail dot com
2012-09-06 16:25 ` jason at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: hjl.tools at gmail dot com @ 2012-08-21 17:51 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54341
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jason at redhat dot com
Target Milestone|--- |4.7.2
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2012-08-21 17:50:43 UTC ---
It is caused by revision 184001:
http://gcc.gnu.org/ml/gcc-cvs/2012-02/msg00220.html
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/54341] [4.7/4.8 Regression] ICE (segfault) in cx_check_missing_mem_inits, at cp/semantics.c:6093
2012-08-21 10:24 [Bug c++/54341] New: [4.7 / 4.8 Regression] ICE (segfault) in cx_check_missing_mem_inits, at cp/semantics.c:6093 doko at gcc dot gnu.org
` (2 preceding siblings ...)
2012-08-21 17:51 ` hjl.tools at gmail dot com
@ 2012-09-06 16:25 ` jason at gcc dot gnu.org
2012-09-07 10:37 ` [Bug c++/54341] [4.7 " rguenth at gcc dot gnu.org
2012-09-10 14:42 ` jason at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: jason at gcc dot gnu.org @ 2012-09-06 16:25 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54341
--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> 2012-09-06 16:24:25 UTC ---
Author: jason
Date: Thu Sep 6 16:24:10 2012
New Revision: 191033
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191033
Log:
PR c++/54341
PR c++/54253
* semantics.c (sort_constexpr_mem_initializers): New.
(build_constexpr_constructor_member_initializers): Use it.
(cx_check_missing_mem_inits): Skip artificial fields.
* init.c (expand_aggr_init_1): Don't zero out a class
with no data.
Added:
trunk/gcc/testsuite/g++.dg/cpp0x/constexpr-virtual2.C
trunk/gcc/testsuite/g++.dg/cpp0x/constexpr-virtual3.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/init.c
trunk/gcc/cp/semantics.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/54341] [4.7 Regression] ICE (segfault) in cx_check_missing_mem_inits, at cp/semantics.c:6093
2012-08-21 10:24 [Bug c++/54341] New: [4.7 / 4.8 Regression] ICE (segfault) in cx_check_missing_mem_inits, at cp/semantics.c:6093 doko at gcc dot gnu.org
` (3 preceding siblings ...)
2012-09-06 16:25 ` jason at gcc dot gnu.org
@ 2012-09-07 10:37 ` rguenth at gcc dot gnu.org
2012-09-10 14:42 ` jason at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-09-07 10:37 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54341
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
Summary|[4.7/4.8 Regression] ICE |[4.7 Regression] ICE
|(segfault) in |(segfault) in
|cx_check_missing_mem_inits, |cx_check_missing_mem_inits,
|at cp/semantics.c:6093 |at cp/semantics.c:6093
--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-09-07 10:36:26 UTC ---
Fixed for trunk sofar.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/54341] [4.7 Regression] ICE (segfault) in cx_check_missing_mem_inits, at cp/semantics.c:6093
2012-08-21 10:24 [Bug c++/54341] New: [4.7 / 4.8 Regression] ICE (segfault) in cx_check_missing_mem_inits, at cp/semantics.c:6093 doko at gcc dot gnu.org
` (4 preceding siblings ...)
2012-09-07 10:37 ` [Bug c++/54341] [4.7 " rguenth at gcc dot gnu.org
@ 2012-09-10 14:42 ` jason at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: jason at gcc dot gnu.org @ 2012-09-10 14:42 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54341
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |jason at gcc dot gnu.org
Resolution| |FIXED
--- Comment #6 from Jason Merrill <jason at gcc dot gnu.org> 2012-09-10 14:24:13 UTC ---
Author: jason
Date: Mon Sep 10 14:24:07 2012
New Revision: 191145
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191145
Log:
PR c++/54341
PR c++/54253
* semantics.c (sort_constexpr_mem_initializers): New.
(build_constexpr_constructor_member_initializers): Use it.
(cx_check_missing_mem_inits): Skip artificial fields.
* init.c (expand_aggr_init_1): Don't zero out a class
with no data.
Added:
branches/gcc-4_7-branch/gcc/testsuite/g++.dg/cpp0x/constexpr-virtual2.C
branches/gcc-4_7-branch/gcc/testsuite/g++.dg/cpp0x/constexpr-virtual3.C
Modified:
branches/gcc-4_7-branch/gcc/cp/ChangeLog
branches/gcc-4_7-branch/gcc/cp/init.c
branches/gcc-4_7-branch/gcc/cp/semantics.c
branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
--- Comment #7 from Jason Merrill <jason at gcc dot gnu.org> 2012-09-10 14:42:22 UTC ---
Fixed for 4.7.2 as well.
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2012-09-10 14:42 UTC | newest]
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2012-08-21 10:24 [Bug c++/54341] New: [4.7 / 4.8 Regression] ICE (segfault) in cx_check_missing_mem_inits, at cp/semantics.c:6093 doko at gcc dot gnu.org
2012-08-21 11:36 ` [Bug c++/54341] [4.7/4.8 " paolo.carlini at oracle dot com
2012-08-21 11:46 ` paolo.carlini at oracle dot com
2012-08-21 17:51 ` hjl.tools at gmail dot com
2012-09-06 16:25 ` jason at gcc dot gnu.org
2012-09-07 10:37 ` [Bug c++/54341] [4.7 " rguenth at gcc dot gnu.org
2012-09-10 14:42 ` jason at gcc dot gnu.org
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