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* [Bug c++/15440] New: set print object produces values not matching inferior
@ 2013-05-07 17:59 jan.kratochvil at redhat dot com
2013-06-13 20:40 ` [Bug c++/15440] " tromey at redhat dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: jan.kratochvil at redhat dot com @ 2013-05-07 17:59 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=15440
Bug #: 15440
Summary: set print object produces values not matching inferior
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: c++
AssignedTo: unassigned@sourceware.org
ReportedBy: jan.kratochvil@redhat.com
Classification: Unclassified
Target: x86_64-unknown-linux-gnu
#include <stdio.h>
class C {
public:
int i=1;
virtual void m() {}
};
class D : public C {
public:
int i=2;
} d;
C *cp = &d;
int main() {
printf("%d\n",cp->i);
}
(gdb) start
13 printf("%d\n",cp->i);
(gdb) p cp->i
$1 = 1
(gdb) set print object on
(gdb) p cp->i
$2 = 2
^^^ = GDB output
(gdb) next
1
^^ = inferior output
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* [Bug c++/15440] set print object produces values not matching inferior
2013-05-07 17:59 [Bug c++/15440] New: set print object produces values not matching inferior jan.kratochvil at redhat dot com
@ 2013-06-13 20:40 ` tromey at redhat dot com
2013-06-13 20:43 ` jan.kratochvil at redhat dot com
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: tromey at redhat dot com @ 2013-06-13 20:40 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=15440
Tom Tromey <tromey at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |tromey at redhat dot com
--- Comment #1 from Tom Tromey <tromey at redhat dot com> ---
I assume this is because "set print object on" inexplicably
affects expression evaluation, not just printing.
That seems wrong to me.
I think we should introduce a new setting, like
"set print object print-only" and make it the default.
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* [Bug c++/15440] set print object produces values not matching inferior
2013-05-07 17:59 [Bug c++/15440] New: set print object produces values not matching inferior jan.kratochvil at redhat dot com
2013-06-13 20:40 ` [Bug c++/15440] " tromey at redhat dot com
@ 2013-06-13 20:43 ` jan.kratochvil at redhat dot com
2013-06-13 20:59 ` tromey at redhat dot com
2013-10-31 19:48 ` tromey at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: jan.kratochvil at redhat dot com @ 2013-06-13 20:43 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=15440
Jan Kratochvil <jan.kratochvil at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jan.kratochvil at redhat dot com
--- Comment #2 from Jan Kratochvil <jan.kratochvil at redhat dot com> ---
Why is there a problem fixing "set print object"?
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* [Bug c++/15440] set print object produces values not matching inferior
2013-05-07 17:59 [Bug c++/15440] New: set print object produces values not matching inferior jan.kratochvil at redhat dot com
2013-06-13 20:40 ` [Bug c++/15440] " tromey at redhat dot com
2013-06-13 20:43 ` jan.kratochvil at redhat dot com
@ 2013-06-13 20:59 ` tromey at redhat dot com
2013-10-31 19:48 ` tromey at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: tromey at redhat dot com @ 2013-06-13 20:59 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=15440
--- Comment #3 from Tom Tromey <tromey at redhat dot com> ---
I don't have a problem with it. I anticipate that perhaps others
will, though, since it is a behavior change, and the behavior dates
back many years. I suppose we could give it a try and see if anyone
complains.
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* [Bug c++/15440] set print object produces values not matching inferior
2013-05-07 17:59 [Bug c++/15440] New: set print object produces values not matching inferior jan.kratochvil at redhat dot com
` (2 preceding siblings ...)
2013-06-13 20:59 ` tromey at redhat dot com
@ 2013-10-31 19:48 ` tromey at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: tromey at redhat dot com @ 2013-10-31 19:48 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=15440
Tom Tromey <tromey at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |16106
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end of thread, other threads:[~2013-10-31 19:48 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2013-05-07 17:59 [Bug c++/15440] New: set print object produces values not matching inferior jan.kratochvil at redhat dot com
2013-06-13 20:40 ` [Bug c++/15440] " tromey at redhat dot com
2013-06-13 20:43 ` jan.kratochvil at redhat dot com
2013-06-13 20:59 ` tromey at redhat dot com
2013-10-31 19:48 ` tromey at redhat dot com
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