Regressions on trunk at revision 163714 vs revision 163666

[H.J. Lu Intel64]

New failures:
FAIL: gcc.dg/guality/sra-1.c  -Os  line 20 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -Os  line 31 a[1] == 14
FAIL: gcc.dg/lto/20081201-2 c_lto_20081201-2_0.o-c_lto_20081201-2_1.o execute -O3 -fwhopr
FAIL: gcc.dg/lto/20081201-2 c_lto_20081201-2_0.o-c_lto_20081201-2_1.o execute -O3 -fwhopr
FAIL: gcc.dg/lto/ipareference2 c_lto_ipareference2_0.o-c_lto_ipareference2_1.o link,  -O1 -fwhopr -fwhole-program
FAIL: gcc.dg/lto/ipareference2 c_lto_ipareference2_0.o-c_lto_ipareference2_1.o link,  -O1 -fwhopr -fwhole-program

New passes:
FAIL: g++.dg/guality/redeclaration1.C  -O2 -fwhopr  line 16 i == 24
FAIL: g++.dg/guality/redeclaration1.C  -O2 -fwhopr  line 16 i == 24
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -fwhopr  line 28 i == 37
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -fwhopr  line 28 i == 37
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -fwhopr  line 28 i1 == 2 * 37
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -fwhopr  line 28 i1 == 2 * 37
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -fwhopr  line 28 i2 == 3 * 37
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -fwhopr  line 28 i2 == 3 * 37
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 20 a.i == 4
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 20 a.i == 4
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 20 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 20 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 31 a[0] == 4
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 31 a[0] == 4
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 31 a[1] == 14
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 31 a[1] == 14
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 42 a.i == 4
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 42 a.i == 4
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 42 a.j == 14
FAIL: gcc.dg/guality/vla-1.c  -O2 -fwhopr  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c  -O2 -fwhopr  line 24 sizeof (a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-1.c  -O2 -fwhopr  line 24 sizeof (a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-2.c  -O2 -fwhopr  line 16 sizeof (a) == 5 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c  -O2 -fwhopr  line 25 sizeof (a) == 6 * sizeof (int)