Regressions on master at commit r16-4292 vs commit r16-4285 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r16-4292 vs commit r16-4285 on Linux/x86_64
New failures:

New passes:
FAIL: gcc.target/i386/pr119919.c scan-tree-dump vect "loop vectorized using 8 
byte vectors"