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* [Bug c++/41863] New: [4.5 Regression] segfault with sizeof in template parameter
@ 2009-10-29 3:34 foom at fuhm dot net
2009-10-29 10:26 ` [Bug c++/41863] " rguenth at gcc dot gnu dot org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: foom at fuhm dot net @ 2009-10-29 3:34 UTC (permalink / raw)
To: gcc-bugs
GCC 4.5 appears to fail when using sizeof(member-of-templated-type) inside a
template parameter.
I have tested the Debian gcc-snapshot 20090923-1 amd64 package, 20091010-1
i386, and Ubuntu gcc-snapshot 20091018-1 amd64. All exhibit the same behavior.
g++-4.4 works fine, however.
Changing to "sizeof(m_foo)" to "sizeof(T)" also fixes the problem.
File /tmp/test.cpp:
===CUT===
template<int X> struct Bar {
};
template<typename T>
class Foo {
T m_foo;
void crash() {
Bar<sizeof(m_foo)> bar;
}
};
===CUT===
$ g++ -c /tmp/test.cpp
/tmp/test.cpp: In member function 'void Foo<T>::crash()':
/tmp/test.cpp:8:26: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-snapshot/README.Bugs> for instructions.
--
Summary: [4.5 Regression] segfault with sizeof in template
parameter
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: foom at fuhm dot net
GCC host triplet: x86_64-linux-gnu
GCC target triplet: x86_64-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41863
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/41863] [4.5 Regression] segfault with sizeof in template parameter
2009-10-29 3:34 [Bug c++/41863] New: [4.5 Regression] segfault with sizeof in template parameter foom at fuhm dot net
@ 2009-10-29 10:26 ` rguenth at gcc dot gnu dot org
2009-10-29 20:47 ` dodji at gcc dot gnu dot org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2009-10-29 10:26 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from rguenth at gcc dot gnu dot org 2009-10-29 10:26 -------
Confirmed.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Keywords| |ice-on-valid-code
Last reconfirmed|0000-00-00 00:00:00 |2009-10-29 10:26:13
date| |
Target Milestone|--- |4.5.0
Version|unknown |4.5.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41863
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/41863] [4.5 Regression] segfault with sizeof in template parameter
2009-10-29 3:34 [Bug c++/41863] New: [4.5 Regression] segfault with sizeof in template parameter foom at fuhm dot net
2009-10-29 10:26 ` [Bug c++/41863] " rguenth at gcc dot gnu dot org
@ 2009-10-29 20:47 ` dodji at gcc dot gnu dot org
2009-10-29 22:56 ` dodji at gcc dot gnu dot org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: dodji at gcc dot gnu dot org @ 2009-10-29 20:47 UTC (permalink / raw)
To: gcc-bugs
--
dodji at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |dodji at gcc dot gnu dot org
|dot org |
Status|NEW |ASSIGNED
Last reconfirmed|2009-10-29 10:26:13 |2009-10-29 20:46:51
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41863
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/41863] [4.5 Regression] segfault with sizeof in template parameter
2009-10-29 3:34 [Bug c++/41863] New: [4.5 Regression] segfault with sizeof in template parameter foom at fuhm dot net
2009-10-29 10:26 ` [Bug c++/41863] " rguenth at gcc dot gnu dot org
2009-10-29 20:47 ` dodji at gcc dot gnu dot org
@ 2009-10-29 22:56 ` dodji at gcc dot gnu dot org
2009-10-30 7:09 ` dodji at gcc dot gnu dot org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: dodji at gcc dot gnu dot org @ 2009-10-29 22:56 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from dodji at gcc dot gnu dot org 2009-10-29 22:56 -------
Patch sent to http://gcc.gnu.org/ml/gcc-patches/2009-10/msg01772.html
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41863
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/41863] [4.5 Regression] segfault with sizeof in template parameter
2009-10-29 3:34 [Bug c++/41863] New: [4.5 Regression] segfault with sizeof in template parameter foom at fuhm dot net
` (3 preceding siblings ...)
2009-10-30 7:09 ` dodji at gcc dot gnu dot org
@ 2009-10-30 7:09 ` dodji at gcc dot gnu dot org
2009-10-30 16:07 ` hjl at gcc dot gnu dot org
5 siblings, 0 replies; 7+ messages in thread
From: dodji at gcc dot gnu dot org @ 2009-10-30 7:09 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from dodji at gcc dot gnu dot org 2009-10-30 07:09 -------
Fixed in 4.5.
--
dodji at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41863
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/41863] [4.5 Regression] segfault with sizeof in template parameter
2009-10-29 3:34 [Bug c++/41863] New: [4.5 Regression] segfault with sizeof in template parameter foom at fuhm dot net
` (2 preceding siblings ...)
2009-10-29 22:56 ` dodji at gcc dot gnu dot org
@ 2009-10-30 7:09 ` dodji at gcc dot gnu dot org
2009-10-30 7:09 ` dodji at gcc dot gnu dot org
2009-10-30 16:07 ` hjl at gcc dot gnu dot org
5 siblings, 0 replies; 7+ messages in thread
From: dodji at gcc dot gnu dot org @ 2009-10-30 7:09 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from dodji at gcc dot gnu dot org 2009-10-30 07:09 -------
Subject: Bug 41863
Author: dodji
Date: Fri Oct 30 07:08:36 2009
New Revision: 153735
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=153735
Log:
Fix PR c++/41863
gcc/cp/ChangeLog:
PR c++/41863
* pt.c (iterative_hash_template_arg): articifial parms
don't have DECL_PARM_INDEX set. Do not hash it.
gcc/testsuite/ChangeLog:
PR c++/41863
* g++.dg/template/sizeof12.C: New test.
Added:
trunk/gcc/testsuite/g++.dg/template/sizeof12.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/pt.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41863
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/41863] [4.5 Regression] segfault with sizeof in template parameter
2009-10-29 3:34 [Bug c++/41863] New: [4.5 Regression] segfault with sizeof in template parameter foom at fuhm dot net
` (4 preceding siblings ...)
2009-10-30 7:09 ` dodji at gcc dot gnu dot org
@ 2009-10-30 16:07 ` hjl at gcc dot gnu dot org
5 siblings, 0 replies; 7+ messages in thread
From: hjl at gcc dot gnu dot org @ 2009-10-30 16:07 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from hjl at gcc dot gnu dot org 2009-10-30 16:05 -------
Subject: Bug 41863
Author: hjl
Date: Fri Oct 30 16:04:41 2009
New Revision: 153759
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=153759
Log:
2009-10-30 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline:
2009-10-30 Dodji Seketeli <dodji@redhat.com>
PR c++/41863
* g++.dg/template/sizeof12.C: New test.
2009-10-29 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/41775
* g++.dg/torture/pr41775.C: New testcase.
2009-10-28 Jakub Jelinek <jakub@redhat.com>
PR debug/41801
* g++.dg/ext/sync-3.C: New test.
2009-10-27 Jakub Jelinek <jakub@redhat.com>
PR c++/41020
* g++.dg/lookup/extern-c-redecl5.C: Fix up regexp.
2009-10-26 Jakub Jelinek <jakub@redhat.com>
PR bootstrap/41345
* gcc.dg/pr41345.c: New test.
2009-10-26 Dodji Seketeli <dodji@redhat.com>
PR c++/41785
* g++.dg/cpp0x/variadic96.C: New test.
2009-10-26 Dodji Seketeli <dodji@redhat.com>
PR c++/41020
* g++.dg/lookup/extern-c-redecl2.C: New test.
* g++.dg/lookup/extern-c-redecl3.C: Likewise.
* g++.dg/lookup/extern-c-redecl4.C: Likewise.
* g++.dg/lookup/extern-c-redecl5.C: Likewise.
2009-10-23 Joseph Myers <joseph@codesourcery.com>
PR c/40033
* gcc.dg/noncompile/pr40033-1.c: New test.
2009-10-23 Joseph Myers <joseph@codesourcery.com>
PR c/41673
* gcc.dg/Wstrict-aliasing-bogus-vla-1.c: New test.
2009-10-21 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/41497
* gcc.dg/tree-ssa/pr41497.c: New.
Added:
branches/gcc-4_4-branch/gcc/testsuite/g++.dg/cpp0x/variadic96.C
- copied unchanged from r153757,
trunk/gcc/testsuite/g++.dg/cpp0x/variadic96.C
branches/gcc-4_4-branch/gcc/testsuite/g++.dg/ext/sync-3.C
- copied unchanged from r153757, trunk/gcc/testsuite/g++.dg/ext/sync-3.C
branches/gcc-4_4-branch/gcc/testsuite/g++.dg/lookup/extern-c-redecl2.C
- copied unchanged from r153757,
trunk/gcc/testsuite/g++.dg/lookup/extern-c-redecl2.C
branches/gcc-4_4-branch/gcc/testsuite/g++.dg/lookup/extern-c-redecl3.C
- copied unchanged from r153757,
trunk/gcc/testsuite/g++.dg/lookup/extern-c-redecl3.C
branches/gcc-4_4-branch/gcc/testsuite/g++.dg/lookup/extern-c-redecl4.C
- copied unchanged from r153757,
trunk/gcc/testsuite/g++.dg/lookup/extern-c-redecl4.C
branches/gcc-4_4-branch/gcc/testsuite/g++.dg/lookup/extern-c-redecl5.C
- copied unchanged from r153757,
trunk/gcc/testsuite/g++.dg/lookup/extern-c-redecl5.C
branches/gcc-4_4-branch/gcc/testsuite/g++.dg/template/sizeof12.C
- copied unchanged from r153757,
trunk/gcc/testsuite/g++.dg/template/sizeof12.C
branches/gcc-4_4-branch/gcc/testsuite/g++.dg/torture/pr41775.C
- copied unchanged from r153757,
trunk/gcc/testsuite/g++.dg/torture/pr41775.C
branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-vla-1.c
- copied unchanged from r153758,
trunk/gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-vla-1.c
branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/noncompile/pr40033-1.c
- copied unchanged from r153758,
trunk/gcc/testsuite/gcc.dg/noncompile/pr40033-1.c
branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/pr41345.c
- copied unchanged from r153757, trunk/gcc/testsuite/gcc.dg/pr41345.c
branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/tree-ssa/pr41497.c
- copied unchanged from r153758,
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr41497.c
Modified:
branches/gcc-4_4-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41863
^ permalink raw reply [flat|nested] 7+ messages in thread
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-- links below jump to the message on this page --
2009-10-29 3:34 [Bug c++/41863] New: [4.5 Regression] segfault with sizeof in template parameter foom at fuhm dot net
2009-10-29 10:26 ` [Bug c++/41863] " rguenth at gcc dot gnu dot org
2009-10-29 20:47 ` dodji at gcc dot gnu dot org
2009-10-29 22:56 ` dodji at gcc dot gnu dot org
2009-10-30 7:09 ` dodji at gcc dot gnu dot org
2009-10-30 7:09 ` dodji at gcc dot gnu dot org
2009-10-30 16:07 ` hjl at gcc dot gnu dot org
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