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* [Bug c++/56009] New: Nested global destruction semantics not working (mingw)
@ 2013-01-16 19:58 daniel.kruegler at googlemail dot com
2013-01-21 10:46 ` [Bug c++/56009] " daniel.kruegler at googlemail dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: daniel.kruegler at googlemail dot com @ 2013-01-16 19:58 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56009
Bug #: 56009
Summary: Nested global destruction semantics not working
(mingw)
Classification: Unclassified
Product: gcc
Version: 4.7.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: daniel.kruegler@googlemail.com
The following program - compiled with flags
-Wall -pedantic-errors
produces an unexpected output:
//-----------------------------------
extern "C" int printf(const char *, ...);
class A {
A(const A&);
A& operator=(const A&);
A() { printf("A()\n"); }
~A() { printf("~A()\n"); }
public:
void use() {
printf("A is here!\n");
}
static A& get_instance() {
static A result;
return result;
}
};
void use_A(const char* message) {
A& a = A::get_instance();
printf("Using A %s\n", message);
a.use();
}
struct B {
~B() { use_A("from ~B()"); }
} b;
int main() {}
//-----------------------------------
A()
Using A from ~B()
A is here!
Note the lack of the expected last line:
~A()
Some further characteristics:
1) The problem is observed on a mingw-64bit system (Windows 7). I have been
told that the problem doesn't occur on Linux(?) systems (Thanks to Jonathan
Wakely)
2) The kind of global destruction semantics doesn't matter: Instead of a local
static variables we can use corresponding series of nested atexit()
registrations.
3) The problem is not related to flushing: Replacement of above printf calls by
e.g. std::cout with an effective std::flush call doesn't change anything
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/56009] Nested global destruction semantics not working (mingw)
2013-01-16 19:58 [Bug c++/56009] New: Nested global destruction semantics not working (mingw) daniel.kruegler at googlemail dot com
@ 2013-01-21 10:46 ` daniel.kruegler at googlemail dot com
2013-01-21 11:03 ` [Bug target/56009] " paolo.carlini at oracle dot com
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: daniel.kruegler at googlemail dot com @ 2013-01-21 10:46 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56009
Daniel Krügler <daniel.kruegler at googlemail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ktietz at gcc dot gnu.org
--- Comment #1 from Daniel Krügler <daniel.kruegler at googlemail dot com> 2013-01-21 10:45:58 UTC ---
Added Kai hoping to raise his interest in this issue ;-)
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/56009] Nested global destruction semantics not working (mingw)
2013-01-16 19:58 [Bug c++/56009] New: Nested global destruction semantics not working (mingw) daniel.kruegler at googlemail dot com
2013-01-21 10:46 ` [Bug c++/56009] " daniel.kruegler at googlemail dot com
@ 2013-01-21 11:03 ` paolo.carlini at oracle dot com
2024-04-09 2:35 ` pinskia at gcc dot gnu.org
2024-04-09 2:38 ` pinskia at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: paolo.carlini at oracle dot com @ 2013-01-21 11:03 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56009
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2013-01-21
CC| |jason at gcc dot gnu.org
Component|c++ |target
Ever Confirmed|0 |1
--- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> 2013-01-21 11:03:20 UTC ---
Let's add Jason in CC. Confirmed that doesn't happen on Linux.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/56009] Nested global destruction semantics not working (mingw)
2013-01-16 19:58 [Bug c++/56009] New: Nested global destruction semantics not working (mingw) daniel.kruegler at googlemail dot com
2013-01-21 10:46 ` [Bug c++/56009] " daniel.kruegler at googlemail dot com
2013-01-21 11:03 ` [Bug target/56009] " paolo.carlini at oracle dot com
@ 2024-04-09 2:35 ` pinskia at gcc dot gnu.org
2024-04-09 2:38 ` pinskia at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: pinskia at gcc dot gnu.org @ 2024-04-09 2:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56009
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is IIRC the whole atexit vs __cxa_atexit issue.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/56009] Nested global destruction semantics not working (mingw)
2013-01-16 19:58 [Bug c++/56009] New: Nested global destruction semantics not working (mingw) daniel.kruegler at googlemail dot com
` (2 preceding siblings ...)
2024-04-09 2:35 ` pinskia at gcc dot gnu.org
@ 2024-04-09 2:38 ` pinskia at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: pinskia at gcc dot gnu.org @ 2024-04-09 2:38 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56009
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=2474
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #3)
> This is IIRC the whole atexit vs __cxa_atexit issue.
Which is PR 2474 .
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2024-04-09 2:38 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2013-01-16 19:58 [Bug c++/56009] New: Nested global destruction semantics not working (mingw) daniel.kruegler at googlemail dot com
2013-01-21 10:46 ` [Bug c++/56009] " daniel.kruegler at googlemail dot com
2013-01-21 11:03 ` [Bug target/56009] " paolo.carlini at oracle dot com
2024-04-09 2:35 ` pinskia at gcc dot gnu.org
2024-04-09 2:38 ` pinskia at gcc dot gnu.org
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