Regressions on trunk at revision 243019 vs revision 242955

[H.J. Lu ia32]

New failures:
FAIL: g++.old-deja/g++.law/ctors10.C  -std=c++11  (test for errors, line 21)
FAIL: g++.old-deja/g++.law/ctors10.C  -std=c++14  (test for errors, line 21)

New passes:
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c (test for excess errors)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  target lp64  (test for warnings, line 256)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  target lp64  (test for warnings, line 260)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  target lp64  (test for warnings, line 264)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c (test for excess errors)
FAIL: gcc.target/i386/avx512f-kmovw-1.c scan-assembler-times kmovw[ \\t]+[^{\n]*%k[0-7](?:\n|[ \\t]+#) 1
FAIL: gcc.target/i386/pr44578.c (internal compiler error)
FAIL: gcc.target/i386/pr44578.c (test for excess errors)