Regressions on 6 at revision 250754 vs revision 250691

[H.J. Lu Intel64]

New failures:
FAIL: gcc.dg/cpp/trad/include.c (test for excess errors)
FAIL: gcc.dg/cpp/trad/include.c (test for excess errors)

New passes:
FAIL: gfortran.dg/bessel_6.f90   -O0  execution test
FAIL: gfortran.dg/bessel_6.f90   -O1  execution test
FAIL: gfortran.dg/bessel_6.f90   -O2  execution test
FAIL: gfortran.dg/bessel_6.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  execution test
FAIL: gfortran.dg/bessel_6.f90   -O3 -g  execution test
FAIL: gfortran.dg/bessel_6.f90   -Os  execution test