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: unassig...@gcc.gnu.org ReportedBy: maha...@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.