Regressions on trunk at revision 178218 vs revision 178147

[H.J. Lu x32]

New failures:

New passes:
FAIL: gcc.dg/guality/pr45882.c  -O1  line 16 b == 7
FAIL: gcc.dg/guality/pr45882.c  -O1  line 16 c == 11
FAIL: gcc.dg/guality/pr45882.c  -O1  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c  -O1  line 16 e == 142
FAIL: gcc.dg/guality/pr45882.c  -O2  line 16 b == 7
FAIL: gcc.dg/guality/pr45882.c  -O2  line 16 c == 11
FAIL: gcc.dg/guality/pr45882.c  -O2  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c  -O2  line 16 e == 142
FAIL: gcc.dg/guality/pr45882.c  -O2 -flto  line 16 b == 7
FAIL: gcc.dg/guality/pr45882.c  -O2 -flto  line 16 c == 11
FAIL: gcc.dg/guality/pr45882.c  -O2 -flto  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c  -O2 -flto  line 16 e == 142
FAIL: gcc.dg/guality/pr45882.c  -O2 -flto -flto-partition=none  line 16 b == 7
FAIL: gcc.dg/guality/pr45882.c  -O2 -flto -flto-partition=none  line 16 c == 11
FAIL: gcc.dg/guality/pr45882.c  -O2 -flto -flto-partition=none  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c  -O2 -flto -flto-partition=none  line 16 e == 142
FAIL: gcc.dg/guality/pr45882.c  -O3 -fomit-frame-pointer  line 16 b == 7
FAIL: gcc.dg/guality/pr45882.c  -O3 -fomit-frame-pointer  line 16 c == 11
FAIL: gcc.dg/guality/pr45882.c  -O3 -fomit-frame-pointer  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c  -O3 -fomit-frame-pointer  line 16 e == 142
FAIL: gcc.dg/guality/pr45882.c  -O3 -g  line 16 b == 7
FAIL: gcc.dg/guality/pr45882.c  -O3 -g  line 16 c == 11
FAIL: gcc.dg/guality/pr45882.c  -O3 -g  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c  -O3 -g  line 16 e == 142
FAIL: gcc.dg/guality/pr45882.c  -Os  line 16 b == 7
FAIL: gcc.dg/guality/pr45882.c  -Os  line 16 c == 11
FAIL: gcc.dg/guality/pr45882.c  -Os  line 16 d == 112
FAIL: gcc.dg/guality/pr45882.c  -Os  line 16 e == 142