Regressions on native/master at commit r17-1145 vs commit r17-1138 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r17-1145 vs commit r17-1138 on Linux/x86_64
New failures:

New passes:
FAIL: g++.dg/opt/shrink-wrapping-vector-1.C  -std=gnu++98  scan-rtl-dump 
pro_and_epilogue "Performing shrink-wrapping"