Regressions on trunk at revision 247627 vs revision 247619

[H.J. Lu ia32 Core i7]

New failures:
FAIL: gcc.dg/pr78138.c (test for excess errors)
FAIL: gcc.dg/pr78138.c  (test for warnings, line 23)
FAIL: gcc.dg/pr79214.c (test for excess errors)
FAIL: gcc.dg/pr79214.c  (test for warnings, line 25)
FAIL: gcc.dg/pr79214.c  (test for warnings, line 30)
FAIL: gcc.dg/pr79214.c  (test for warnings, line 35)
FAIL: gcc.dg/pr79214.c  (test for warnings, line 40)
FAIL: gcc.dg/pr79214.c  (test for warnings, line 45)
FAIL: gcc.dg/pr79214.c  (test for warnings, line 52)
FAIL: gcc.dg/pr79214.c  (test for warnings, line 59)
FAIL: gcc.dg/pr79214.c  (test for warnings, line 66)
FAIL: gcc.dg/pr79214.c  (test for warnings, line 73)
FAIL: gcc.dg/pr79214.c  (test for warnings, line 80)
FAIL: gcc.dg/pr79222.c (test for excess errors)
FAIL: gcc.dg/pr79222.c  (test for warnings, line 12)
FAIL: gcc.dg/pr79223.c (test for excess errors)
FAIL: gcc.dg/pr79223.c  (test for warnings, line 26)
FAIL: gcc.dg/pr79223.c  (test for warnings, line 31)
FAIL: gcc.dg/pr79223.c  (test for warnings, line 36)
FAIL: gcc.dg/tree-ssa/builtins-folding-gimple-ub.c (test for excess errors)
FAIL: gfortran.dg/mvbits_7.f90   -O0   (test for warnings, line 28)

New passes: