Regressions on trunk at revision 170589 vs revision 170586

[H.J. Lu Intel64 Core 2/i7]

New failures:
FAIL: gcc.dg/guality/vla-2.c  -O2 -flto  line 16 sizeof (a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c  -O2 -flto  line 25 sizeof (a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c  -O2 -flto -flto-partition=none  line 16 sizeof (a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c  -O2 -flto -flto-partition=none  line 25 sizeof (a) == 6 * sizeof (int)

New passes:
FAIL: gfortran.dg/fmt_fw_d.f90  -O0  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -O0  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -O1  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -O1  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -O2  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -O2  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -Os  (test for excess errors)
FAIL: gfortran.dg/fmt_fw_d.f90  -Os  (test for excess errors)