Regressions on trunk at revision 210928 vs revision 210919

[H.J. Lu Intel64 LTO/FDO]

New failures:

New passes:
FAIL: gcc.dg/shrink-wrap-loop.c scan-rtl-dump pro_and_epilogue "Performing shrink-wrapping"
FAIL: gfortran.dg/assumed_charlen_needed_1.f90  -O  (internal compiler error)
FAIL: gfortran.dg/assumed_charlen_needed_1.f90  -O  (test for excess errors)
FAIL: gfortran.dg/der_array_io_1.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (internal compiler error)
FAIL: gfortran.dg/der_array_io_1.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gfortran.dg/der_array_io_1.f90  -O3 -fomit-frame-pointer -funroll-loops  (internal compiler error)
FAIL: gfortran.dg/der_array_io_1.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/der_array_io_1.f90  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gfortran.dg/der_array_io_1.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/der_array_io_1.f90  -O3 -g  (internal compiler error)
FAIL: gfortran.dg/der_array_io_1.f90  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/fmt_t_3.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (internal compiler error)
FAIL: gfortran.dg/fmt_t_3.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gfortran.dg/fmt_t_3.f90  -O3 -fomit-frame-pointer -funroll-loops  (internal compiler error)
FAIL: gfortran.dg/fmt_t_3.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/fmt_t_3.f90  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gfortran.dg/fmt_t_3.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/fmt_t_3.f90  -O3 -g  (internal compiler error)
FAIL: gfortran.dg/fmt_t_3.f90  -O3 -g  (test for excess errors)