Regressions on trunk at revision 221386 vs revision 221371

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

New failures:
FAIL: gcc.dg/guality/pr43051-1.c   -O2  line 35 v == 1
FAIL: gcc.dg/guality/pr43051-1.c   -O2  line 36 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -O2  line 39 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c   -O2  line 40 v == 1
FAIL: gcc.dg/guality/pr43051-1.c   -O2  line 41 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 35 v == 1
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 40 v == 1
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 35 v == 1
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 40 v == 1
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/pr43051-1.c   -O3 -fomit-frame-pointer  line 35 v == 1
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer  line 36 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer  line 39 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer  line 40 v == 1
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer  line 41 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  line 35 v == 1
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  line 36 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  line 39 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  line 40 v == 1
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  line 41 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer -funroll-loops  line 35 v == 1
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer -funroll-loops  line 36 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer -funroll-loops  line 39 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer -funroll-loops  line 40 v == 1
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer -funroll-loops  line 41 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -g  line 35 v == 1
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -g  line 36 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -g  line 39 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -g  line 40 v == 1
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -g  line 41 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -Os  line 35 v == 1
FAIL: gcc.dg/guality/pr43051-1.c   -Os  line 36 e == &a[1]
FAIL: gcc.dg/guality/pr43051-1.c   -Os  line 39 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c   -Os  line 40 v == 1
FAIL: gcc.dg/guality/pr43051-1.c   -Os  line 41 e == &a[1]
FAIL: gcc.dg/guality/pr43177.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 15 l == 10
FAIL: gcc.dg/guality/pr43177.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 15 x == 7
FAIL: gcc.dg/guality/pr43177.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 24 l == 10
FAIL: gcc.dg/guality/pr43177.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 24 x == 7
FAIL: gcc.dg/guality/pr54519-3.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 20 x == 36
FAIL: gcc.dg/guality/pr54519-3.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 23 x == 98
FAIL: gcc.dg/guality/pr54519-4.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 17 x == 6
FAIL: gcc.dg/guality/sra-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 21 a.i == 4
FAIL: gcc.dg/guality/sra-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 21 a.j == 14
FAIL: gcc.dg/guality/sra-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 43 a.i == 4
FAIL: gcc.dg/guality/sra-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 43 a.j == 14
FAIL: gcc.dg/guality/vla-2.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 25 sizeof (a) == 6 * sizeof (int)

New passes:
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  line 34 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c   -O3 -fomit-frame-pointer -funroll-loops  line 34 c == &a[0]