Regressions on native/master at commit r11-2298 vs commit r11-2296 on Linux/x86_64

[H. J. Lu]

New failures:

New passes:
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int 1976943448883713" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int 576467370915332609" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int 578431098682540545" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int 578437695685198337" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int 578437695685198337" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int 578437695752110593" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int 578437695752306689" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int 578437695752307200" 1
FAIL: gcc.target/i386/memcpy-pr95886.c scan-rtl-dump-times expand "const_int 578437695752307201" 2