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* [Bug c/107730] New: Trivial -Wreturn-type false positive when function marked static
@ 2022-11-17 2:06 sam at gentoo dot org
2022-11-17 2:07 ` [Bug c/107730] " sam at gentoo dot org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: sam at gentoo dot org @ 2022-11-17 2:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107730
Bug ID: 107730
Summary: Trivial -Wreturn-type false positive when function
marked static
Product: gcc
Version: 12.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: sam at gentoo dot org
Target Milestone: ---
Created attachment 53915
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53915&action=edit
foo.i
```
#include <unistd.h>
static void *poll_logfiles(int n) {
for (;;) {
sleep(1);
}
}
int main() {
poll_logfiles(0);
}
```
```
$ gcc-9.5.0 /tmp/foo.c -Wreturn-type
/tmp/foo.c: In function 'poll_logfiles':
/tmp/foo.c:7:1: warning: no return statement in function returning non-void
[-Wreturn-type]
7 | }
| ^
# 10.4.1_p20221110
$ gcc-10 /tmp/foo.c -Wreturn-type
/tmp/foo.c: In function 'poll_logfiles':
/tmp/foo.c:7:1: warning: no return statement in function returning non-void
[-Wreturn-type]
7 | }
| ^
# 11.3.1_p20221111
$ gcc-11 /tmp/foo.c -Wreturn-type
/tmp/foo.c: In function 'poll_logfiles':
/tmp/foo.c:7:1: warning: no return statement in function returning non-void
[-Wreturn-type]
7 | }
| ^
# 12.2.1_p20221112
$ gcc-12 /tmp/foo.c -Wreturn-type
/tmp/foo.c: In function ‘poll_logfiles’:
/tmp/foo.c:7:1: warning: no return statement in function returning non-void
[-Wreturn-type]
7 | }
| ^
# 13.0.0_pre20221113
$ gcc-13 /tmp/foo.c -Wreturn-type
/tmp/foo.c: In function 'poll_logfiles':
/tmp/foo.c:7:1: warning: no return statement in function returning non-void
[-Wreturn-type]
7 | }
| ^
```
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c/107730] Trivial -Wreturn-type false positive when function marked static
2022-11-17 2:06 [Bug c/107730] New: Trivial -Wreturn-type false positive when function marked static sam at gentoo dot org
@ 2022-11-17 2:07 ` sam at gentoo dot org
2022-11-17 2:10 ` sam at gentoo dot org
2022-11-17 2:27 ` sam at gentoo dot org
2 siblings, 0 replies; 4+ messages in thread
From: sam at gentoo dot org @ 2022-11-17 2:07 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107730
--- Comment #1 from Sam James <sam at gentoo dot org> ---
Note that if I drop 'static', the warning goes away. Clang does not warn at
all.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c/107730] Trivial -Wreturn-type false positive when function marked static
2022-11-17 2:06 [Bug c/107730] New: Trivial -Wreturn-type false positive when function marked static sam at gentoo dot org
2022-11-17 2:07 ` [Bug c/107730] " sam at gentoo dot org
@ 2022-11-17 2:10 ` sam at gentoo dot org
2022-11-17 2:27 ` sam at gentoo dot org
2 siblings, 0 replies; 4+ messages in thread
From: sam at gentoo dot org @ 2022-11-17 2:10 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107730
Sam James <sam at gentoo dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #2 from Sam James <sam at gentoo dot org> ---
oh, duh, I'd missed the *.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c/107730] Trivial -Wreturn-type false positive when function marked static
2022-11-17 2:06 [Bug c/107730] New: Trivial -Wreturn-type false positive when function marked static sam at gentoo dot org
2022-11-17 2:07 ` [Bug c/107730] " sam at gentoo dot org
2022-11-17 2:10 ` sam at gentoo dot org
@ 2022-11-17 2:27 ` sam at gentoo dot org
2 siblings, 0 replies; 4+ messages in thread
From: sam at gentoo dot org @ 2022-11-17 2:27 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107730
Sam James <sam at gentoo dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
--- Comment #3 from Sam James <sam at gentoo dot org> ---
hm, wait, sorry. It should still emit the warning even without static? Or am I
missing something?
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2022-11-17 2:27 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2022-11-17 2:06 [Bug c/107730] New: Trivial -Wreturn-type false positive when function marked static sam at gentoo dot org
2022-11-17 2:07 ` [Bug c/107730] " sam at gentoo dot org
2022-11-17 2:10 ` sam at gentoo dot org
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