Regressions on trunk at revision 185406 vs revision 185379

[H.J. Lu x32]

New failures:

New passes:
FAIL: gcc.dg/guality/inline-params.c  -O1  execution test
FAIL: gcc.dg/guality/pr43051-1.c  -O1  line 34 c == &a[0]
FAIL: gcc.dg/guality/pr43051-1.c  -O1  line 36 e == &a[1]