Regressions on trunk at revision 205506 vs revision 205484

[H.J. Lu ia32 Core 2/i7]

New failures:
FAIL: 22_locale/locale/cons/12438.cc execution test
FAIL: 30_threads/async/async.cc execution test
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.dg/tree-ssa/alias-25.c scan-tree-dump-not optimized "= 42"
FAIL: gcc.target/i386/pr9771-1.c (internal compiler error)
FAIL: g++.dg/asan/deep-stack-uaf-1.C  -O1  output pattern test, is , should match ERROR: AddressSanitizer:? heap-use-after-free on address.*(
FAIL: g++.dg/asan/deep-stack-uaf-1.C  -O2  output pattern test, is , should match ERROR: AddressSanitizer:? heap-use-after-free on address.*(
FAIL: g++.dg/asan/deep-stack-uaf-1.C  -O3 -fomit-frame-pointer  output pattern test, is , should match ERROR: AddressSanitizer:? heap-use-after-free on address.*(
FAIL: g++.dg/asan/deep-stack-uaf-1.C  -O3 -g  output pattern test, is , should match ERROR: AddressSanitizer:? heap-use-after-free on address.*(
FAIL: g++.dg/asan/deep-stack-uaf-1.C  -Os  output pattern test, is , should match ERROR: AddressSanitizer:? heap-use-after-free on address.*(
FAIL: gfortran.dg/array_constructor_33.f90  -O  (test for excess errors)

New passes: