Regressions on trunk at revision 178509 vs revision 178507

[Kirill Yukhin [ia32 Core i7 AVX]]

New failures:
FAIL: gfortran.dg/class_45b.f03  -O1  (test for excess errors)
FAIL: gfortran.dg/class_45b.f03  -O2  (test for excess errors)
FAIL: gfortran.dg/class_45b.f03  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/class_45b.f03  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gfortran.dg/class_45b.f03  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/class_45b.f03  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/class_45b.f03  -Os  (test for excess errors)

New passes: