Regressions on trunk at revision 224206 vs revision 224200

[Intel Automatic Testing System [ia32 Core AVXi]]

New failures:

New passes:
FAIL: gfortran.dg/class_allocate_18.f90   -O0  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O1  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O2  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O3 -fomit-frame-pointer  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O3 -fomit-frame-pointer -funroll-loops  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -O3 -g  execution test
FAIL: gfortran.dg/class_allocate_18.f90   -Os  execution test
ERROR: src: syntax error in target selector "target target short_enums" for " dg-skip-if 3 "require -fno-short-enums to work" {target short_enums} "