Regressions on trunk at revision 266368 vs revision 266364

[H.J. Lu (Intel64 -fpic -mcmodel=medium -mcmodel=large)]

New failures:
FAIL: g++.dg/guality/pr55665.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 23 p == 40
FAIL: g++.dg/ipa/devirt-c-8.C  -std=gnu++14  scan-ipa-dump cp "Discovered a virtual call to a known target.*A::foo"
FAIL: g++.dg/ipa/devirt-c-8.C  -std=gnu++14  scan-tree-dump-times optimized "OBJ_TYPE_REF" 0
FAIL: g++.dg/ipa/devirt-c-8.C  -std=gnu++17  scan-ipa-dump cp "Discovered a virtual call to a known target.*A::foo"
FAIL: g++.dg/ipa/devirt-c-8.C  -std=gnu++17  scan-tree-dump-times optimized "OBJ_TYPE_REF" 0
FAIL: g++.dg/ipa/devirt-c-8.C  -std=gnu++98  scan-ipa-dump cp "Discovered a virtual call to a known target.*A::foo"
FAIL: g++.dg/ipa/devirt-c-8.C  -std=gnu++98  scan-tree-dump-times optimized "OBJ_TYPE_REF" 0
FAIL: g++.dg/pr80481.C  -std=gnu++14  scan-assembler-not vmovaps
FAIL: g++.dg/pr80481.C  -std=gnu++17  scan-assembler-not vmovaps
FAIL: g++.dg/pr80481.C  -std=gnu++98  scan-assembler-not vmovaps

New passes:
FAIL: g++.dg/tree-ssa/dom-invalid.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/tree-ssa/dom-invalid.C  -std=gnu++17 (test for excess errors)
FAIL: g++.dg/tree-ssa/dom-invalid.C  -std=gnu++98 (test for excess errors)