Regressions on trunk at revision 163859 vs revision 163797

[H.J. Lu Intel64]

New failures:

New passes:
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -flto  line 28 i == 37
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -flto  line 28 i1 == 2 * 37
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -flto  line 28 i2 == 3 * 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 i2 == 3 * 37
FAIL: gcc.dg/guality/vla-1.c  -O2 -flto  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c  -O2 -fwhopr  line 17 sizeof (a) == 6