Regressions on trunk at revision 191468 vs revision 191458

[H.J. Lu x32]

New failures:

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]