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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/108042] New: [10/11/12/13 Regression] weakref on an extern decl is incorrectly ignored Date: Sat, 10 Dec 2022 03:42:55 +0000 [thread overview] Message-ID: <bug-108042-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108042 Bug ID: 108042 Summary: [10/11/12/13 Regression] weakref on an extern decl is incorrectly ignored Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: pinskia at gcc dot gnu.org Target Milestone: --- From: https://gcc.gnu.org/onlinedocs/gcc-12.2.0/gcc/Common-Function-Attributes.html#index-weakref-function-attribute Without a target given as an argument to weakref or to alias, weakref is equivalent to weak (in that case the declaration may be extern). Testcase: ``` void KNOWNNOTOBEAFUNCTION(void) __attribute__((weakref)); int main() { if (KNOWNNOTOBEAFUNCTION) __builtin_abort(); else return 0; } ``` This should pass.
next reply other threads:[~2022-12-10 3:42 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-12-10 3:42 pinskia at gcc dot gnu.org [this message] 2022-12-10 3:43 ` [Bug middle-end/108042] " pinskia at gcc dot gnu.org 2022-12-11 12:36 ` rguenth at gcc dot gnu.org 2022-12-11 13:12 ` rguenth at gcc dot gnu.org 2023-07-07 10:44 ` [Bug middle-end/108042] [11/12/13/14 " rguenth at gcc dot gnu.org
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