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From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/23604] New: [4.1 Regression] wrong code due to VRP Date: Sun, 28 Aug 2005 19:59:00 -0000 [thread overview] Message-ID: <20050828194312.23604.pinskia@gcc.gnu.org> (raw) The following should not abort but does at -O2. int g(int i, int j) { if (i>-1) if (i<2) { if (i != j) { if (j != 0) return 0; } } return 1; } int main(void) { if (!g(1, 0)) abort (); return 0; } --- I found this while working on PR 23603. -- Summary: [4.1 Regression] wrong code due to VRP Product: gcc Version: 4.1.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P2 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: pinskia at gcc dot gnu dot org CC: gcc-bugs at gcc dot gnu dot org OtherBugsDependingO 23603 nThis: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23604
next reply other threads:[~2005-08-28 19:43 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2005-08-28 19:59 pinskia at gcc dot gnu dot org [this message] 2005-08-28 19:43 ` [Bug tree-optimization/23604] " pinskia at gcc dot gnu dot org 2005-08-28 20:16 ` phython at gcc dot gnu dot org 2005-08-28 20:19 ` phython at gcc dot gnu dot org 2005-09-20 16:30 ` jakub at gcc dot gnu dot org 2005-09-30 13:10 ` dnovillo at gcc dot gnu dot org 2005-09-30 13:24 ` jakub at gcc dot gnu dot org 2005-09-30 13:27 ` dnovillo at redhat dot com 2005-10-01 13:57 ` cvs-commit at gcc dot gnu dot org 2005-10-01 14:19 ` dnovillo at gcc dot gnu dot org
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