Regressions on trunk at revision 255738 vs revision 255699

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

New failures:
FAIL: g++.dg/ubsan/pr82353.C   -O0   scan-rtl-dump-not reload "Inserting rematerialization insn"
FAIL: g++.dg/ubsan/pr82353.C   -O0   scan-rtl-dump-not reload "Inserting rematerialization insn"
FAIL: g++.dg/ubsan/pr82353.C   -O1   scan-rtl-dump-not reload "Inserting rematerialization insn"
FAIL: g++.dg/ubsan/pr82353.C   -O1   scan-rtl-dump-not reload "Inserting rematerialization insn"
FAIL: g++.dg/ubsan/pr82353.C   -O2   scan-rtl-dump-not reload "Inserting rematerialization insn"
FAIL: g++.dg/ubsan/pr82353.C   -O2   scan-rtl-dump-not reload "Inserting rematerialization insn"
FAIL: g++.dg/ubsan/pr82353.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none   scan-rtl-dump-not reload "Inserting rematerialization insn"
FAIL: g++.dg/ubsan/pr82353.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none   scan-rtl-dump-not reload "Inserting rematerialization insn"
FAIL: g++.dg/ubsan/pr82353.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-rtl-dump-not reload "Inserting rematerialization insn"
FAIL: g++.dg/ubsan/pr82353.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects   scan-rtl-dump-not reload "Inserting rematerialization insn"
FAIL: g++.dg/ubsan/pr82353.C   -O3 -g   scan-rtl-dump-not reload "Inserting rematerialization insn"
FAIL: g++.dg/ubsan/pr82353.C   -O3 -g   scan-rtl-dump-not reload "Inserting rematerialization insn"
FAIL: g++.dg/ubsan/pr82353.C   -Os   scan-rtl-dump-not reload "Inserting rematerialization insn"
FAIL: g++.dg/ubsan/pr82353.C   -Os   scan-rtl-dump-not reload "Inserting rematerialization insn"

New passes:
FAIL: libgomp.graphite/force-parallel-4.c scan-tree-dump-times graphite "2 loops carried no dependency" 1 (found 0 times)
FAIL: libgomp.graphite/force-parallel-4.c scan-tree-dump-times graphite "2 loops carried no dependency" 1 (found 0 times)
FAIL: libgomp.graphite/force-parallel-4.c scan-tree-dump-times graphite "2 loops carried no dependency" 1 (found 0 times)
FAIL: libgomp.graphite/force-parallel-4.c scan-tree-dump-times optimized "loopfn.1" 4 (found 0 times)
FAIL: libgomp.graphite/force-parallel-4.c scan-tree-dump-times optimized "loopfn.1" 4 (found 0 times)
FAIL: libgomp.graphite/force-parallel-4.c scan-tree-dump-times optimized "loopfn.1" 4 (found 0 times)
FAIL: libgomp.graphite/force-parallel-8.c scan-tree-dump-times graphite "5 loops carried no dependency" 1 (found 0 times)
FAIL: libgomp.graphite/force-parallel-8.c scan-tree-dump-times graphite "5 loops carried no dependency" 1 (found 0 times)
FAIL: libgomp.graphite/force-parallel-8.c scan-tree-dump-times graphite "5 loops carried no dependency" 1 (found 0 times)