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* [Bug c++/81692] Bogus noreturn warning
[not found] <bug-81692-4@http.gcc.gnu.org/bugzilla/>
@ 2020-03-16 17:52 ` msebor at gcc dot gnu.org
2021-12-17 5:22 ` pinskia at gcc dot gnu.org
2021-12-17 5:24 ` pinskia at gcc dot gnu.org
2 siblings, 0 replies; 3+ messages in thread
From: msebor at gcc dot gnu.org @ 2020-03-16 17:52 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81692
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |msebor at gcc dot gnu.org
Known to fail| |10.0, 7.3.0, 8.2.0, 9.2.0
--- Comment #2 from Martin Sebor <msebor at gcc dot gnu.org> ---
Reconfirming with GCC 10. The attribute is accepted and has the expected
effect in the middle-end but not in the C++ front-end.
$ cat pr81692.C && gcc -O2 -S -Wall -Wextra -Wpedantic
-fdump-tree-optimized=/dev/stdout pr81692.C
template <class E>
__attribute__ ((noreturn))
void throw_exception (const char*);
template <class E>
int foo (int *p)
{
throw_exception<E>(__PRETTY_FUNCTION__);
*p = 0; // eliminated
}
template int foo<int>(int*);
pr81692.C: In function ‘int foo(int*)’:
pr81692.C:10:1: warning: no return statement in function returning non-void
[-Wreturn-type]
10 | }
| ^
;; Function foo<int> (_Z3fooIiEiPi, funcdef_no=1, decl_uid=2339, cgraph_uid=1,
symbol_order=0)
foo<int> (int * p)
{
<bb 2> [local count: 1073741824]:
throw_exception<int> ("int foo(int*) [with E = int]");
}
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug c++/81692] Bogus noreturn warning
[not found] <bug-81692-4@http.gcc.gnu.org/bugzilla/>
2020-03-16 17:52 ` [Bug c++/81692] Bogus noreturn warning msebor at gcc dot gnu.org
@ 2021-12-17 5:22 ` pinskia at gcc dot gnu.org
2021-12-17 5:24 ` pinskia at gcc dot gnu.org
2 siblings, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-12-17 5:22 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81692
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |needs-bisection
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Looks to be fixed in GCC 8.5.0, GCC 9.4.0 and GCC 10+.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug c++/81692] Bogus noreturn warning
[not found] <bug-81692-4@http.gcc.gnu.org/bugzilla/>
2020-03-16 17:52 ` [Bug c++/81692] Bogus noreturn warning msebor at gcc dot gnu.org
2021-12-17 5:22 ` pinskia at gcc dot gnu.org
@ 2021-12-17 5:24 ` pinskia at gcc dot gnu.org
2 siblings, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-12-17 5:24 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81692
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Even though PR 94742 is newer, it has already been marked as fixed and records
the commit which fixed this issue and all.
*** This bug has been marked as a duplicate of bug 94742 ***
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-12-17 5:24 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <bug-81692-4@http.gcc.gnu.org/bugzilla/>
2020-03-16 17:52 ` [Bug c++/81692] Bogus noreturn warning msebor at gcc dot gnu.org
2021-12-17 5:22 ` pinskia at gcc dot gnu.org
2021-12-17 5:24 ` pinskia at gcc dot gnu.org
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