Regressions on trunk at revision 179464 vs revision 179455

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

New failures:
FAIL: gcc.c-torture/execute/pr23135.c compilation,  -O2 -flto  (internal compiler error)
FAIL: gcc.c-torture/execute/pr23135.c compilation,  -O2 -flto -flto-partition=none  (internal compiler error)
FAIL: gcc.c-torture/execute/vect-shuffle-1.c compilation,  -O0 
FAIL: gcc.c-torture/execute/vect-shuffle-1.c compilation,  -O1 
FAIL: gcc.c-torture/execute/vect-shuffle-1.c compilation,  -O2 
FAIL: gcc.c-torture/execute/vect-shuffle-1.c compilation,  -O2 -flto 
FAIL: gcc.c-torture/execute/vect-shuffle-1.c compilation,  -O2 -flto -flto-partition=none 
FAIL: gcc.c-torture/execute/vect-shuffle-1.c compilation,  -O3 -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/vect-shuffle-1.c compilation,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/vect-shuffle-1.c compilation,  -O3 -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/vect-shuffle-1.c compilation,  -O3 -g 
FAIL: gcc.c-torture/execute/vect-shuffle-1.c compilation,  -Os 
FAIL: gcc.c-torture/execute/vect-shuffle-2.c compilation,  -O0 
FAIL: gcc.c-torture/execute/vect-shuffle-2.c compilation,  -O1 
FAIL: gcc.c-torture/execute/vect-shuffle-2.c compilation,  -O2 
FAIL: gcc.c-torture/execute/vect-shuffle-2.c compilation,  -O2 -flto 
FAIL: gcc.c-torture/execute/vect-shuffle-2.c compilation,  -O2 -flto -flto-partition=none 
FAIL: gcc.c-torture/execute/vect-shuffle-2.c compilation,  -O3 -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/vect-shuffle-2.c compilation,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/vect-shuffle-2.c compilation,  -O3 -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/vect-shuffle-2.c compilation,  -O3 -g 
FAIL: gcc.c-torture/execute/vect-shuffle-2.c compilation,  -Os 
FAIL: gcc.c-torture/execute/vect-shuffle-3.c compilation,  -O0 
FAIL: gcc.c-torture/execute/vect-shuffle-3.c compilation,  -O1 
FAIL: gcc.c-torture/execute/vect-shuffle-3.c compilation,  -O2 
FAIL: gcc.c-torture/execute/vect-shuffle-3.c compilation,  -O2 -flto 
FAIL: gcc.c-torture/execute/vect-shuffle-3.c compilation,  -O2 -flto -flto-partition=none 
FAIL: gcc.c-torture/execute/vect-shuffle-3.c compilation,  -O3 -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/vect-shuffle-3.c compilation,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/vect-shuffle-3.c compilation,  -O3 -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/vect-shuffle-3.c compilation,  -O3 -g 
FAIL: gcc.c-torture/execute/vect-shuffle-3.c compilation,  -Os 
FAIL: gcc.c-torture/execute/vect-shuffle-4.c compilation,  -O0 
FAIL: gcc.c-torture/execute/vect-shuffle-4.c compilation,  -O1 
FAIL: gcc.c-torture/execute/vect-shuffle-4.c compilation,  -O2 
FAIL: gcc.c-torture/execute/vect-shuffle-4.c compilation,  -O2 -flto 
FAIL: gcc.c-torture/execute/vect-shuffle-4.c compilation,  -O2 -flto -flto-partition=none 
FAIL: gcc.c-torture/execute/vect-shuffle-4.c compilation,  -O3 -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/vect-shuffle-4.c compilation,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/vect-shuffle-4.c compilation,  -O3 -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/vect-shuffle-4.c compilation,  -O3 -g 
FAIL: gcc.c-torture/execute/vect-shuffle-4.c compilation,  -Os 
FAIL: gcc.c-torture/execute/vect-shuffle-5.c compilation,  -O0 
FAIL: gcc.c-torture/execute/vect-shuffle-5.c compilation,  -O1 
FAIL: gcc.c-torture/execute/vect-shuffle-5.c compilation,  -O2 
FAIL: gcc.c-torture/execute/vect-shuffle-5.c compilation,  -O2 -flto 
FAIL: gcc.c-torture/execute/vect-shuffle-5.c compilation,  -O2 -flto -flto-partition=none 
FAIL: gcc.c-torture/execute/vect-shuffle-5.c compilation,  -O3 -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/vect-shuffle-5.c compilation,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/vect-shuffle-5.c compilation,  -O3 -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/vect-shuffle-5.c compilation,  -O3 -g 
FAIL: gcc.c-torture/execute/vect-shuffle-5.c compilation,  -Os 
FAIL: gcc.dg/bconstp-3.c (test for excess errors)

New passes: