Regressions on trunk at revision 253921 vs revision 253882

[H.J. Lu]

New failures:
FAIL: gcc.dg/guality/pr45882.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 16 e == 142
FAIL: gcc.dg/tree-prof/cold_partition_label.c scan-tree-dump-times optimized "!= 0" 0 (found 2 times)
FAIL: g++.dg/asan/default-options-1.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: g++.dg/asan/default-options-1.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test

New passes:
FAIL: gcc.dg/guality/pr43051-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 34 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 36 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 39 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 41 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 34 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 36 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 39 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 41 e == &a[1]
FAIL: gcc.dg/guality/pr45882.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 16 b == 7
FAIL: gcc.dg/guality/pr45882.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 16 c == 11
FAIL: gcc.dg/guality/pr45882.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 16 e == 142
FAIL: gcc.dg/guality/pr45882.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 16 b == 7
FAIL: gcc.dg/guality/pr45882.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 16 c == 11
FAIL: gcc.dg/tree-prof/time-profiler-1.c execution,    -g