Regressions on trunk at revision 193661 vs revision 193656

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

New failures:

New passes:
FAIL: 23_containers/map/cons/moveable.cc (test for excess errors)
FAIL: 23_containers/map/cons/moveable.cc execution test
FAIL: 23_containers/vector/bool/modifiers/insert/31370.cc execution test
FAIL: 24_iterators/headers/iterator/range_access.cc (test for excess errors)
FAIL: gcc.c-torture/execute/20040704-1.c compilation,  -O3 -g 
FAIL: gcc.c-torture/execute/20060929-1.c compilation,  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects 
FAIL: gcc.c-torture/execute/20080813-1.c compilation,  -O2 -flto -fno-use-linker-plugin -flto-partition=none 
FAIL: gcc.c-torture/execute/pr42006.c compilation,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/pr46019.c compilation,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.target/x86_64/abi/test_basic_union_size_and_align.c compilation,  -Os 
FAIL: libgomp.fortran/threadprivate1.f90  -O2  execution test
FAIL: libgomp.fortran/threadprivate2.f90  -Os  (test for excess errors)
FAIL: libgomp.fortran/threadprivate2.f90  -Os  execution test
FAIL: negzero -O3 compilation from source
FAIL: negzero compilation from source
FAIL: pr184 -O3 compilation from source