Regressions on trunk at revision 244514 vs revision 244498

[H.J. Lu ia32 -fpic]

New failures:
FAIL: g++.dg/tree-ssa/ssa-dse-2.C  -std=gnu++11  scan-tree-dump dse2 "Deleted dead call: "
FAIL: g++.dg/tree-ssa/ssa-dse-2.C  -std=gnu++11 (test for excess errors)
FAIL: g++.dg/tree-ssa/ssa-dse-2.C  -std=gnu++14  scan-tree-dump dse2 "Deleted dead call: "
FAIL: g++.dg/tree-ssa/ssa-dse-2.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/tree-ssa/ssa-dse-2.C  -std=gnu++98  scan-tree-dump dse2 "Deleted dead call: "
FAIL: g++.dg/tree-ssa/ssa-dse-2.C  -std=gnu++98 (test for excess errors)

New passes:
FAIL: gcc.dg/format/pr78304.c     (test for warnings, line 9)
FAIL: gcc.dg/format/pr78304.c   -DWIDE   (test for warnings, line 9)