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* [Bug c++/54744] New: internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer
@ 2012-09-29 9:10 ai.azuma at gmail dot com
2012-09-29 11:05 ` [Bug c++/54744] " paolo.carlini at oracle dot com
` (9 more replies)
0 siblings, 10 replies; 11+ messages in thread
From: ai.azuma at gmail dot com @ 2012-09-29 9:10 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54744
Bug #: 54744
Summary: internal compiler error: Segmentation fault, by
dependent base, member typedef and ctor-initializer
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: ai.azuma@gmail.com
Created attachment 28298
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28298
Output of -v option and preprocessed file
The following valid code causes segfault with GCC 4.8.0 20120916 and GCC 4.7.3
20120922.
///////////////////////////////////////////////////////////
template <typename T>
struct base {
typedef base base_type;
};
template <typename T>
struct derived : base<T> {
typedef typename derived::base_type::base_type base_type;
derived() : base_type() {}
};
///////////////////////////////////////////////////////////
Note that the above code compiles successfully with GCC 4.6.4 20120921.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug c++/54744] internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer
2012-09-29 9:10 [Bug c++/54744] New: internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer ai.azuma at gmail dot com
@ 2012-09-29 11:05 ` paolo.carlini at oracle dot com
2012-09-29 12:59 ` jakub at gcc dot gnu.org
` (8 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: paolo.carlini at oracle dot com @ 2012-09-29 11:05 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54744
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hjl at gcc dot gnu.org
--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-09-29 11:05:15 UTC ---
H.J. can you help finding which change broke this?
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug c++/54744] internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer
2012-09-29 9:10 [Bug c++/54744] New: internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer ai.azuma at gmail dot com
2012-09-29 11:05 ` [Bug c++/54744] " paolo.carlini at oracle dot com
@ 2012-09-29 12:59 ` jakub at gcc dot gnu.org
2012-09-29 18:25 ` [Bug c++/54744] [4.7/4.8 Regression] " paolo.carlini at oracle dot com
` (7 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jakub at gcc dot gnu.org @ 2012-09-29 12:59 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54744
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-09-29 12:58:44 UTC ---
http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182012
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug c++/54744] [4.7/4.8 Regression] internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer
2012-09-29 9:10 [Bug c++/54744] New: internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer ai.azuma at gmail dot com
2012-09-29 11:05 ` [Bug c++/54744] " paolo.carlini at oracle dot com
2012-09-29 12:59 ` jakub at gcc dot gnu.org
@ 2012-09-29 18:25 ` paolo.carlini at oracle dot com
2012-11-25 15:55 ` rguenth at gcc dot gnu.org
` (6 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: paolo.carlini at oracle dot com @ 2012-09-29 18:25 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54744
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2012-09-29
Summary|internal compiler error: |[4.7/4.8 Regression]
|Segmentation fault, by |internal compiler error:
|dependent base, member |Segmentation fault, by
|typedef and |dependent base, member
|ctor-initializer |typedef and
| |ctor-initializer
Ever Confirmed|0 |1
--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-09-29 18:25:21 UTC ---
Thanks Jakub. Looks like this is a regression.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug c++/54744] [4.7/4.8 Regression] internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer
2012-09-29 9:10 [Bug c++/54744] New: internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer ai.azuma at gmail dot com
` (2 preceding siblings ...)
2012-09-29 18:25 ` [Bug c++/54744] [4.7/4.8 Regression] " paolo.carlini at oracle dot com
@ 2012-11-25 15:55 ` rguenth at gcc dot gnu.org
2012-11-29 11:39 ` paolo.carlini at oracle dot com
` (5 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-11-25 15:55 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54744
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.7.3
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug c++/54744] [4.7/4.8 Regression] internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer
2012-09-29 9:10 [Bug c++/54744] New: internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer ai.azuma at gmail dot com
` (3 preceding siblings ...)
2012-11-25 15:55 ` rguenth at gcc dot gnu.org
@ 2012-11-29 11:39 ` paolo.carlini at oracle dot com
2012-12-03 15:45 ` rguenth at gcc dot gnu.org
` (4 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: paolo.carlini at oracle dot com @ 2012-11-29 11:39 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54744
--- Comment #4 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-11-29 11:38:42 UTC ---
Infinite recursion in resolve_typename_type, between the two recursive calls
inside it.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug c++/54744] [4.7/4.8 Regression] internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer
2012-09-29 9:10 [Bug c++/54744] New: internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer ai.azuma at gmail dot com
` (4 preceding siblings ...)
2012-11-29 11:39 ` paolo.carlini at oracle dot com
@ 2012-12-03 15:45 ` rguenth at gcc dot gnu.org
2012-12-06 15:52 ` jason at gcc dot gnu.org
` (3 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-12-03 15:45 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54744
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug c++/54744] [4.7/4.8 Regression] internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer
2012-09-29 9:10 [Bug c++/54744] New: internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer ai.azuma at gmail dot com
` (5 preceding siblings ...)
2012-12-03 15:45 ` rguenth at gcc dot gnu.org
@ 2012-12-06 15:52 ` jason at gcc dot gnu.org
2012-12-06 20:22 ` jason at gcc dot gnu.org
` (2 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jason at gcc dot gnu.org @ 2012-12-06 15:52 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54744
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |jason at gcc dot gnu.org
AssignedTo|unassigned at gcc dot |jason at gcc dot gnu.org
|gnu.org |
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug c++/54744] [4.7/4.8 Regression] internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer
2012-09-29 9:10 [Bug c++/54744] New: internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer ai.azuma at gmail dot com
` (6 preceding siblings ...)
2012-12-06 15:52 ` jason at gcc dot gnu.org
@ 2012-12-06 20:22 ` jason at gcc dot gnu.org
2012-12-06 20:23 ` jason at gcc dot gnu.org
2012-12-06 20:23 ` jason at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: jason at gcc dot gnu.org @ 2012-12-06 20:22 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54744
--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> 2012-12-06 20:21:21 UTC ---
Author: jason
Date: Thu Dec 6 20:21:08 2012
New Revision: 194267
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194267
Log:
PR c++/54744
* pt.c (resolve_typename_type): Check TYPENAME_IS_RESOLVING_P on scope.
* init.c (expand_member_init): Check for being in a template first.
* parser.c (cp_parser_mem_initializer_list): Only check class types
for equivalence to the current class.
Added:
trunk/gcc/testsuite/g++.dg/template/meminit3.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/init.c
trunk/gcc/cp/parser.c
trunk/gcc/cp/pt.c
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug c++/54744] [4.7/4.8 Regression] internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer
2012-09-29 9:10 [Bug c++/54744] New: internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer ai.azuma at gmail dot com
` (8 preceding siblings ...)
2012-12-06 20:23 ` jason at gcc dot gnu.org
@ 2012-12-06 20:23 ` jason at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: jason at gcc dot gnu.org @ 2012-12-06 20:23 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54744
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #7 from Jason Merrill <jason at gcc dot gnu.org> 2012-12-06 20:22:44 UTC ---
Fixed for 4.7.3.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug c++/54744] [4.7/4.8 Regression] internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer
2012-09-29 9:10 [Bug c++/54744] New: internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer ai.azuma at gmail dot com
` (7 preceding siblings ...)
2012-12-06 20:22 ` jason at gcc dot gnu.org
@ 2012-12-06 20:23 ` jason at gcc dot gnu.org
2012-12-06 20:23 ` jason at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: jason at gcc dot gnu.org @ 2012-12-06 20:23 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54744
--- Comment #6 from Jason Merrill <jason at gcc dot gnu.org> 2012-12-06 20:21:58 UTC ---
Author: jason
Date: Thu Dec 6 20:21:44 2012
New Revision: 194269
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194269
Log:
PR c++/54744
* pt.c (resolve_typename_type): Check TYPENAME_IS_RESOLVING_P on scope.
Added:
branches/gcc-4_7-branch/gcc/testsuite/g++.dg/template/meminit3.C
Modified:
branches/gcc-4_7-branch/gcc/cp/ChangeLog
branches/gcc-4_7-branch/gcc/cp/pt.c
^ permalink raw reply [flat|nested] 11+ messages in thread
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2012-09-29 9:10 [Bug c++/54744] New: internal compiler error: Segmentation fault, by dependent base, member typedef and ctor-initializer ai.azuma at gmail dot com
2012-09-29 11:05 ` [Bug c++/54744] " paolo.carlini at oracle dot com
2012-09-29 12:59 ` jakub at gcc dot gnu.org
2012-09-29 18:25 ` [Bug c++/54744] [4.7/4.8 Regression] " paolo.carlini at oracle dot com
2012-11-25 15:55 ` rguenth at gcc dot gnu.org
2012-11-29 11:39 ` paolo.carlini at oracle dot com
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