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From: "flameeyes at gentoo dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/48782] New: unused-but-set static variables are not optimized out Date: Tue, 26 Apr 2011 23:38:00 -0000 [thread overview] Message-ID: <bug-48782-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48782 Summary: unused-but-set static variables are not optimized out Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned@gcc.gnu.org ReportedBy: flameeyes@gentoo.org int main() { static unsigned char done = 0; done = 1; return 1; } The done variable is properly reported as unused-but-set by gcc but both the "done = 1" store and the memory area itself is kept in the produced code up to -O3.
next reply other threads:[~2011-04-26 23:38 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-04-26 23:38 flameeyes at gentoo dot org [this message] 2013-11-10 5:25 ` [Bug middle-end/48782] " pinskia at gcc dot gnu.org 2021-12-11 19:03 ` [Bug ipa/48782] " pinskia at gcc dot gnu.org
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