Regressions on trunk at revision 181360 vs revision 181355

[H.J. Lu x32]

New failures:
FAIL: gfortran.fortran-torture/execute/arrayarg.f90 execution,  -O2 -fomit-frame-pointer -finline-functions -funroll-loops 
FAIL: libgomp.graphite/force-parallel-6.c execution test
FAIL: libitm.c/clone-1.c execution test
WARNING: program timed out.

New passes:
FAIL: libitm.c++/dropref.C (test for excess errors)
FAIL: libitm.c++/eh-1.C (test for excess errors)
FAIL: libitm.c++/throwdown.C (test for excess errors)
FAIL: libitm.c/cancel.c (test for excess errors)
FAIL: libitm.c/clone-1.c (test for excess errors)
FAIL: libitm.c/dropref-2.c (test for excess errors)
FAIL: libitm.c/dropref.c (test for excess errors)
FAIL: libitm.c/memcpy-1.c (test for excess errors)
FAIL: libitm.c/memset-1.c (test for excess errors)
FAIL: libitm.c/notx.c (test for excess errors)
FAIL: libitm.c/reentrant.c (test for excess errors)
FAIL: libitm.c/simple-1.c (test for excess errors)
FAIL: libitm.c/simple-2.c (test for excess errors)
FAIL: libitm.c/txrelease.c (test for excess errors)