Regressions on native/master at commit r15-4871 vs commit r15-4865 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r15-4871 vs commit r15-4865 on Linux/x86_64
New failures:

New passes:
FAIL: gfortran.dg/associate_69.f90   -O   scan-tree-dump-times optimized " 
\\.temp6" 7