Regressions on trunk at revision 247653 vs revision 247631

[Intel Automatic Testing System [ia32 Core AVX2 PIC]]

New failures:

New passes:
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)