http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49166

           Summary: [4.7 Regression] Many objc failures
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libobjc
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: hjl.to...@gmail.com
                CC: nic...@gcc.gnu.org


On Linux/x86-64, revision 174222 gave

FAIL: objc.dg/bitfield-1.m -fgnu-runtime execution test
FAIL: objc.dg/call-super-1.m -fgnu-runtime execution test
FAIL: objc.dg/call-super-3.m -fgnu-runtime execution test
FAIL: objc.dg/category-1.m -fgnu-runtime execution test
FAIL: objc.dg/defs.m -fgnu-runtime execution test
FAIL: objc.dg/desig-init-1.m -fgnu-runtime execution test
FAIL: objc.dg/encode-2.m -fgnu-runtime execution test
FAIL: objc.dg/exceptions-2.m -fgnu-runtime execution test
FAIL: objc.dg/foreach-1.m -fgnu-runtime execution test
FAIL: objc.dg/foreach-2.m -fgnu-runtime execution test
FAIL: objc.dg/foreach-4.m -fgnu-runtime execution test
FAIL: objc.dg/foreach-5.m -fgnu-runtime execution test
FAIL: objc.dg/func-ptr-1.m -fgnu-runtime execution test
FAIL: objc.dg/func-ptr-2.m -fgnu-runtime execution test
FAIL: objc.dg/gnu-runtime-3.m -fgnu-runtime execution test
FAIL: objc.dg/lookup-1.m -fgnu-runtime execution test
FAIL: objc.dg/method-10.m -fgnu-runtime execution test
FAIL: objc.dg/method-20b.m -fgnu-runtime execution test
FAIL: objc.dg/method-3.m -fgnu-runtime execution test
FAIL: objc.dg/stret-1.m -fgnu-runtime execution test
FAIL: objc.dg/super-class-3.m -fgnu-runtime execution test
FAIL: objc.dg/va-meth-1.m -fgnu-runtime execution test
FAIL: objc.dg/property/property-1.m -fgnu-runtime execution test
FAIL: objc.dg/torture/trivial.m  -O0  -fgnu-runtime execution test
FAIL: objc.dg/torture/trivial.m  -O1  -fgnu-runtime execution test
FAIL: objc.dg/torture/trivial.m  -O2  -fgnu-runtime execution test
FAIL: objc.dg/torture/trivial.m  -O3 -fomit-frame-pointer  -fgnu-runtime
execution test
FAIL: objc.dg/torture/trivial.m  -O3 -g  -fgnu-runtime execution test
FAIL: objc.dg/torture/trivial.m  -Os  -fgnu-runtime execution test
FAIL: objc.dg/torture/trivial.m  -O2 -flto -flto-partition=none  -fgnu-runtime
execution test
FAIL: objc.dg/torture/trivial.m  -O2 -flto  -fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -O0  -fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -O1  -fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -O2  -fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -O3 -fomit-frame-pointer  -fgnu-runtime
execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -O3 -g  -fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -Os  -fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -O2 -flto -flto-partition=none 
-fgnu-runtime execution test
FAIL: objc.dg/torture/tls/thr-init-3.m  -O2 -flto  -fgnu-runtime execution test

Revision 174216 is OK.  Revision 174221:

http://gcc.gnu.org/ml/gcc-cvs/2011-05/msg01002.html

may be the cause.

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