Regressions on trunk at revision 244391 vs revision 244372

[H.J. Lu Intel64 -fpic -mcmodel=medium -mcmodel=large]

New failures:
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 142)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 142)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 144)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 144)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 148)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 148)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 185)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 185)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 196)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 196)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 198)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 198)
FAIL: gcc.dg/attr-alloc_size-4.c argument 2 (test for warnings, line 198)
FAIL: gcc.dg/attr-alloc_size-4.c argument 2 (test for warnings, line 198)
FAIL: gcc.dg/pr78973.c pr79073 (test for warnings, line 12)
FAIL: gcc.dg/pr78973.c pr79073 (test for warnings, line 12)

New passes:
FAIL: c-c++-common/Waddress-2.c  -std=gnu++11 (test for excess errors)
FAIL: c-c++-common/Waddress-2.c  -std=gnu++11 (test for excess errors)
FAIL: c-c++-common/Waddress-2.c  -std=gnu++11 (test for excess errors)
FAIL: c-c++-common/Waddress-2.c  -std=gnu++14 (test for excess errors)
FAIL: c-c++-common/Waddress-2.c  -std=gnu++14 (test for excess errors)
FAIL: c-c++-common/Waddress-2.c  -std=gnu++14 (test for excess errors)
FAIL: c-c++-common/Waddress-2.c  -std=gnu++98 (test for excess errors)
FAIL: c-c++-common/Waddress-2.c  -std=gnu++98 (test for excess errors)
FAIL: c-c++-common/Waddress-2.c  -std=gnu++98 (test for excess errors)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 140)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 140)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 141)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 141)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 145)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 145)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 182)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 182)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 193)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 193)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 195)
FAIL: gcc.dg/attr-alloc_size-4.c  (test for warnings, line 195)
FAIL: gcc.dg/attr-alloc_size-4.c argument 2 (test for warnings, line 195)
FAIL: gcc.dg/attr-alloc_size-4.c argument 2 (test for warnings, line 195)
FAIL: gcc.dg/pr78973.c  (test for warnings, line 12)
FAIL: gcc.dg/pr78973.c  (test for warnings, line 12)