Regressions on trunk at revision 205498 vs revision 205492

[H.J. Lu Intel64 Core 2/i7]

New failures:
FAIL: gcc.dg/guality/pr54519-1.c  -O2  line 20 y == 25
FAIL: gcc.dg/guality/pr54519-1.c  -O2  line 20 z == 6
FAIL: gcc.dg/guality/pr54519-1.c  -O2  line 23 y == 117
FAIL: gcc.dg/guality/pr54519-1.c  -O2  line 23 z == 8
FAIL: gcc.dg/guality/pr54519-1.c  -O3 -fomit-frame-pointer  line 20 x == 36
FAIL: gcc.dg/guality/pr54519-1.c  -O3 -fomit-frame-pointer  line 20 y == 25
FAIL: gcc.dg/guality/pr54519-1.c  -O3 -fomit-frame-pointer  line 20 z == 6
FAIL: gcc.dg/guality/pr54519-1.c  -O3 -g  line 20 x == 36
FAIL: gcc.dg/guality/pr54519-1.c  -O3 -g  line 20 y == 25
FAIL: gcc.dg/guality/pr54519-1.c  -O3 -g  line 20 z == 6
FAIL: gcc.dg/guality/pr54519-3.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 20 x == 36
FAIL: gcc.dg/guality/pr54519-3.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 23 x == 98
FAIL: gcc.dg/guality/pr54519-3.c  -O2  line 20 x == 36
FAIL: gcc.dg/guality/pr54519-3.c  -O2  line 20 y == 25
FAIL: gcc.dg/guality/pr54519-3.c  -O2  line 20 z == 6
FAIL: gcc.dg/guality/pr54519-3.c  -O2  line 23 x == 98
FAIL: gcc.dg/guality/pr54519-3.c  -O2  line 23 y == 117
FAIL: gcc.dg/guality/pr54519-3.c  -O2  line 23 z == 8
FAIL: gcc.dg/guality/pr54519-3.c  -O3 -fomit-frame-pointer  line 20 x == 36
FAIL: gcc.dg/guality/pr54519-3.c  -O3 -fomit-frame-pointer  line 20 y == 25
FAIL: gcc.dg/guality/pr54519-3.c  -O3 -fomit-frame-pointer  line 20 z == 6
FAIL: gcc.dg/guality/pr54519-3.c  -O3 -fomit-frame-pointer  line 23 x == 98
FAIL: gcc.dg/guality/pr54519-3.c  -O3 -fomit-frame-pointer  line 23 y == 117
FAIL: gcc.dg/guality/pr54519-3.c  -O3 -fomit-frame-pointer  line 23 z == 8
FAIL: gcc.dg/guality/pr54519-3.c  -O3 -g  line 20 x == 36
FAIL: gcc.dg/guality/pr54519-3.c  -O3 -g  line 20 y == 25
FAIL: gcc.dg/guality/pr54519-3.c  -O3 -g  line 20 z == 6
FAIL: gcc.dg/guality/pr54519-3.c  -O3 -g  line 23 x == 98
FAIL: gcc.dg/guality/pr54519-3.c  -O3 -g  line 23 y == 117
FAIL: gcc.dg/guality/pr54519-3.c  -O3 -g  line 23 z == 8
FAIL: gcc.dg/guality/pr54693-2.c  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  line 21 i == v + 1
FAIL: gcc.dg/guality/pr54693-2.c  -O3 -fomit-frame-pointer -funroll-loops  line 21 i == v + 1
FAIL: gcc.target/i386/pr9771-1.c (internal compiler error)

New passes:
FAIL: 30_threads/async/async.cc execution test