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* [Bug c++/39797] New: Segmentation fault g++
@ 2009-04-17 15:26 stephanemarcotte at 3d-p dot com
2009-04-17 15:27 ` [Bug c++/39797] " stephanemarcotte at 3d-p dot com
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: stephanemarcotte at 3d-p dot com @ 2009-04-17 15:26 UTC (permalink / raw)
To: gcc-bugs
Version Info:
Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v
--enable-languages=c,c++,fortran,objc,obj-c++,treelang --prefix=/usr
--enable-shared --with-system-zlib --libexecdir=/usr/lib
--without-included-gettext --enable-threads=posix --enable-nls
--with-gxx-include-dir=/usr/include/c++/4.2 --program-suffix=-4.2
--enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr
--enable-targets=all --enable-checking=release --build=i486-linux-gnu
--host=i486-linux-gnu --target=i486-linux-gnu
Thread model: posix
gcc version 4.2.4 (Ubuntu 4.2.4-1ubuntu3)
Command line:
g++ --save-temp snippet.cpp
snippet.cpp:21: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
For Debian GNU/Linux specific bug reporting instructions,
see <URL:file:///usr/share/doc/gcc-4.2/README.Bugs>.
--- SOURCE CODE BEGIN ---
#include <stdlib.h>
class MatrixBase {
public:
virtual ~MatrixBase() {}
virtual const size_t M() const = 0 ;
virtual const size_t N() const = 0 ;
} ;
template <class T, size_t M, size_t N> class Matrix : public MatrixBase {
public:
Matrix() {}
~Matrix() {}
const double & operator()( size_t m, size_t n ) const {
if ( m < M && n < N ) {
return m_array[ m ][ n ] ;
} else {
throw Exception( "Matrix indices out of bounds" ) ;
}
}
Matrix<T,M,N> & operator*=( double f ) {
for ( size_t m = 0; m < M; ++m ) {
for ( size_t n = 0; n < N; ++n ) {
m_array[ m ][ n ] *= f ;
}
}
return *this ;
}
const size_t M() const { return M ; }
const size_t N() const { return N ; }
typedef T size_type ;
private:
T m_array[ M ][ N ] ;
} ;
int main( int argc, char * argv[] )
{
return 0 ;
}
--- SOURCE CODE END ---
--
Summary: Segmentation fault g++
Product: gcc
Version: 4.2.4
Status: UNCONFIRMED
Severity: critical
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: stephanemarcotte at 3d-p dot com
GCC target triplet: i486-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39797
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/39797] Segmentation fault g++
2009-04-17 15:26 [Bug c++/39797] New: Segmentation fault g++ stephanemarcotte at 3d-p dot com
@ 2009-04-17 15:27 ` stephanemarcotte at 3d-p dot com
2009-04-17 15:28 ` stephanemarcotte at 3d-p dot com
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: stephanemarcotte at 3d-p dot com @ 2009-04-17 15:27 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from stephanemarcotte at 3d-p dot com 2009-04-17 15:27 -------
Created an attachment (id=17651)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17651&action=view)
Source file
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39797
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/39797] Segmentation fault g++
2009-04-17 15:26 [Bug c++/39797] New: Segmentation fault g++ stephanemarcotte at 3d-p dot com
2009-04-17 15:27 ` [Bug c++/39797] " stephanemarcotte at 3d-p dot com
@ 2009-04-17 15:28 ` stephanemarcotte at 3d-p dot com
2009-04-17 15:39 ` stephanemarcotte at 3d-p dot com
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: stephanemarcotte at 3d-p dot com @ 2009-04-17 15:28 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from stephanemarcotte at 3d-p dot com 2009-04-17 15:27 -------
Created an attachment (id=17652)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17652&action=view)
the .ii file
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39797
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/39797] Segmentation fault g++
2009-04-17 15:26 [Bug c++/39797] New: Segmentation fault g++ stephanemarcotte at 3d-p dot com
2009-04-17 15:27 ` [Bug c++/39797] " stephanemarcotte at 3d-p dot com
2009-04-17 15:28 ` stephanemarcotte at 3d-p dot com
@ 2009-04-17 15:39 ` stephanemarcotte at 3d-p dot com
2009-04-17 15:40 ` paolo dot carlini at oracle dot com
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: stephanemarcotte at 3d-p dot com @ 2009-04-17 15:39 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from stephanemarcotte at 3d-p dot com 2009-04-17 15:38 -------
Isolate to the method:
Matrix::Matrix<T,M,N> & operator*=( double f ) ...
The template takes 2 args, but the above makes g++ crash. If I take out one
parameter (e.g., Matrix<T, M>), then I get a compiler error as expected.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39797
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/39797] Segmentation fault g++
2009-04-17 15:26 [Bug c++/39797] New: Segmentation fault g++ stephanemarcotte at 3d-p dot com
` (2 preceding siblings ...)
2009-04-17 15:39 ` stephanemarcotte at 3d-p dot com
@ 2009-04-17 15:40 ` paolo dot carlini at oracle dot com
2009-04-17 15:41 ` stephanemarcotte at 3d-p dot com
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: paolo dot carlini at oracle dot com @ 2009-04-17 15:40 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from paolo dot carlini at oracle dot com 2009-04-17 15:40 -------
I can reproduce only with 4_2-branch (no longer maintained) and 4_3-branch. I
can't with 4_4-branch and mainline.
--
paolo dot carlini at oracle dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|critical |normal
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39797
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/39797] Segmentation fault g++
2009-04-17 15:26 [Bug c++/39797] New: Segmentation fault g++ stephanemarcotte at 3d-p dot com
` (3 preceding siblings ...)
2009-04-17 15:40 ` paolo dot carlini at oracle dot com
@ 2009-04-17 15:41 ` stephanemarcotte at 3d-p dot com
2009-04-17 15:45 ` stephanemarcotte at 3d-p dot com
2009-04-17 20:49 ` rguenth at gcc dot gnu dot org
6 siblings, 0 replies; 8+ messages in thread
From: stephanemarcotte at 3d-p dot com @ 2009-04-17 15:41 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from stephanemarcotte at 3d-p dot com 2009-04-17 15:41 -------
Also, if I remove the derivation from the MatrixBase abstract base class, the
error disappears.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39797
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/39797] Segmentation fault g++
2009-04-17 15:26 [Bug c++/39797] New: Segmentation fault g++ stephanemarcotte at 3d-p dot com
` (4 preceding siblings ...)
2009-04-17 15:41 ` stephanemarcotte at 3d-p dot com
@ 2009-04-17 15:45 ` stephanemarcotte at 3d-p dot com
2009-04-17 20:49 ` rguenth at gcc dot gnu dot org
6 siblings, 0 replies; 8+ messages in thread
From: stephanemarcotte at 3d-p dot com @ 2009-04-17 15:45 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from stephanemarcotte at 3d-p dot com 2009-04-17 15:45 -------
the template also declares the methods M() and N(), when M, N are also template
parameters. (The code snippet is obviously buggy.)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39797
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/39797] Segmentation fault g++
2009-04-17 15:26 [Bug c++/39797] New: Segmentation fault g++ stephanemarcotte at 3d-p dot com
` (5 preceding siblings ...)
2009-04-17 15:45 ` stephanemarcotte at 3d-p dot com
@ 2009-04-17 20:49 ` rguenth at gcc dot gnu dot org
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2009-04-17 20:49 UTC (permalink / raw)
To: gcc-bugs
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain, Size: 1082 bytes --]
------- Comment #7 from rguenth at gcc dot gnu dot org 2009-04-17 20:49 -------
g++-4.3 -S t.C
t.C:21: error: could not convert template argument MatrixBase::M to unsigned
int
t.C:21: error: could not convert template argument MatrixBase::N to unsigned
int
t.C: In member function const double& Matrix<T, M, N>::operator()(size_t,
size_t) const:
t.C:18: error: there are no arguments to Exception that depend on a template
parameter, so a declaration of Exception must be available
t.C:18: error: (if you use -fpermissive, G++ will accept your code, but
allowing the use of an undeclared name is deprecated)
this ice-on-invalid is fixed in 4.3.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Known to work| |4.3.3
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39797
^ permalink raw reply [flat|nested] 8+ messages in thread
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Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
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2009-04-17 15:26 [Bug c++/39797] New: Segmentation fault g++ stephanemarcotte at 3d-p dot com
2009-04-17 15:27 ` [Bug c++/39797] " stephanemarcotte at 3d-p dot com
2009-04-17 15:28 ` stephanemarcotte at 3d-p dot com
2009-04-17 15:39 ` stephanemarcotte at 3d-p dot com
2009-04-17 15:40 ` paolo dot carlini at oracle dot com
2009-04-17 15:41 ` stephanemarcotte at 3d-p dot com
2009-04-17 15:45 ` stephanemarcotte at 3d-p dot com
2009-04-17 20:49 ` rguenth at gcc dot gnu dot org
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