Regressions on trunk at revision 243504 vs revision 243478

[H.J. Lu x32 -fpic]

New failures:
FAIL: gcc.dg/attr-alloc_size-3.c argument 2 (test for warnings, line 465)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 280)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 338)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 339)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 340)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 396)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 397)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 398)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 448)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 463)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 464)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 465)

New passes:
FAIL: gcc.c-torture/execute/tstdi-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
FAIL: gcc.c-torture/execute/tstdi-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
FAIL: gcc.dg/attr-alloc_size-3.c argument 2 (test for warnings, line 462)
FAIL: gcc.dg/attr-alloc_size-3.c (test for excess errors)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 283)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 335)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 336)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 337)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 393)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 394)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 395)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 445)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 460)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 461)
FAIL: gcc.dg/attr-alloc_size-3.c  (test for warnings, line 462)