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[Bug c/53966] New: procmail build deadloop on _autotst & -O3
- From: "mahatma at eu dot by" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 14 Jul 2012 20:33:46 +0000
- Subject: [Bug c/53966] New: procmail build deadloop on _autotst & -O3
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53966
Bug #: 53966
Summary: procmail build deadloop on _autotst & -O3
Classification: Unclassified
Product: gcc
Version: 4.7.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: mahatma@eu.by
Building procmail 3.22 with -O3 or "-O2 -fipa-cp-clone" cause deadloop on
_autotest. But - subproblem - "-O3 -fno-ipa-cp-clone" cause deadloop too.
To reproduce:
cd procmail-3.22/src
&
1) make CFLAGS=-O3
2) make CFLAGS="-O2 -fipa-cp-clone"
3) make CFLAGS="-O3 -fno-ipa-cp-clone"
4) make CFLAGS=-O2
- only (4) is good.