Regressions on 5 (power7) at revision 235058 vs revision 235001 on yavin3.rch.stglabs.ibm.com

[Bill Seurer on yavin3 (POWER7)]

New failures:
FAIL: libgomp.c++/loop-11.C execution test
FAIL: libgomp.c/for-3.c execution test
FAIL: libgomp.fortran/collapse3.f90   -O0  execution test
FAIL: libgomp.fortran/udr15.f90   -O1  execution test

New passes:
FAIL: libgomp.c/pr49898-1.c execution test
FAIL: os