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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/52490] New: RTL DCE removes trapping const libcalls Date: Mon, 05 Mar 2012 13:16:00 -0000 [thread overview] Message-ID: <bug-52490-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52490 Bug #: 52490 Summary: RTL DCE removes trapping const libcalls Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P3 Component: rtl-optimization AssignedTo: unassigned@gcc.gnu.org ReportedBy: rguenth@gcc.gnu.org The testcase from PR47086 void foo () { int n = 0; while (1) { int i[n % 1]; n++; } } is miscompiled with -O -ftrapv -fnon-call-exceptions -fexceptions by RTL DCE which removes the call to addvdi3.
next reply other threads:[~2012-03-05 13:16 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-03-05 13:16 rguenth at gcc dot gnu.org [this message] 2023-06-02 2:46 ` [Bug rtl-optimization/52490] " pinskia at gcc dot gnu.org 2023-06-02 2:53 ` pinskia at gcc dot gnu.org 2023-06-02 3:06 ` pinskia at gcc dot gnu.org 2023-06-02 3:14 ` pinskia at gcc dot gnu.org
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