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* [Bug c/106823] New: #pragma GCC diagnostic ignored "-Wattribute-warning" doesn't work for -flto
@ 2022-09-04 2:47 jiangning.liu at amperecomputing dot com
2022-09-05 10:20 ` [Bug middle-end/106823] " rguenth at gcc dot gnu.org
2022-10-21 21:26 ` pinskia at gcc dot gnu.org
0 siblings, 2 replies; 3+ messages in thread
From: jiangning.liu at amperecomputing dot com @ 2022-09-04 2:47 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106823
Bug ID: 106823
Summary: #pragma GCC diagnostic ignored "-Wattribute-warning"
doesn't work for -flto
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: jiangning.liu at amperecomputing dot com
Target Milestone: ---
$ cat foo.cpp
extern "C" __attribute__((__warning__("xxxx"))) void _foo(int) {};
void foo(int num) {
#pragma GCC diagnostic ignored "-Wattribute-warning"
::_foo(num);
}
int main()
{
foo(1);
}
$ g++ foo.cpp
$ g++ -flto foo.cpp
foo.cpp: In function ‘foo’:
foo.cpp:5:9: warning: call to ‘_foo’ declared with attribute warning: xxxx
[-Wattribute-warning]
5 | ::_foo(num);
| ^
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug middle-end/106823] #pragma GCC diagnostic ignored "-Wattribute-warning" doesn't work for -flto
2022-09-04 2:47 [Bug c/106823] New: #pragma GCC diagnostic ignored "-Wattribute-warning" doesn't work for -flto jiangning.liu at amperecomputing dot com
@ 2022-09-05 10:20 ` rguenth at gcc dot gnu.org
2022-10-21 21:26 ` pinskia at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-09-05 10:20 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106823
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I think we have a duplicate for this report.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug middle-end/106823] #pragma GCC diagnostic ignored "-Wattribute-warning" doesn't work for -flto
2022-09-04 2:47 [Bug c/106823] New: #pragma GCC diagnostic ignored "-Wattribute-warning" doesn't work for -flto jiangning.liu at amperecomputing dot com
2022-09-05 10:20 ` [Bug middle-end/106823] " rguenth at gcc dot gnu.org
@ 2022-10-21 21:26 ` pinskia at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu.org @ 2022-10-21 21:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106823
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Known to fail| |12.1.0, 9.1.0
Last reconfirmed| |2022-10-21
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-10-21 21:26 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-09-04 2:47 [Bug c/106823] New: #pragma GCC diagnostic ignored "-Wattribute-warning" doesn't work for -flto jiangning.liu at amperecomputing dot com
2022-09-05 10:20 ` [Bug middle-end/106823] " rguenth at gcc dot gnu.org
2022-10-21 21:26 ` pinskia at gcc dot gnu.org
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