Regressions on trunk at revision 218019 vs revision 217995

[H.J. Lu Intel64]

New failures:
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fff179cacac with insufficient space for an object of type 'char'
FAIL: gcc.dg/guality/pr54970.c   -Os  line 31 a[0] == 4
FAIL: gcc.dg/guality/pr54970.c   -Os  line 36 a[0] == 4
FAIL: gcc.dg/guality/pr54970.c   -Os  line 45 a[0] == 4
FAIL: g++.dg/ipa/devirt-42.C  -std=gnu++11  scan-ipa-dump-times inline "First type is base of second" 3
FAIL: g++.dg/ipa/devirt-42.C  -std=gnu++11  scan-ipa-dump-times inline "First type is base of second" 3
FAIL: g++.dg/ipa/devirt-42.C  -std=gnu++14  scan-ipa-dump-times inline "First type is base of second" 3
FAIL: g++.dg/ipa/devirt-42.C  -std=gnu++14  scan-ipa-dump-times inline "First type is base of second" 3
FAIL: g++.dg/tsan/cond_race.C   -O0  output pattern test, is ==================
FAIL: gfortran.dg/coarray_collectives_3.f90   -O  (test for excess errors)
FAIL: gfortran.dg/coarray_collectives_3.f90   -O  (test for excess errors)
FAIL: gfortran.dg/dollar_sym_1.f90   -O  (test for excess errors)
FAIL: gfortran.dg/dollar_sym_1.f90   -O  (test for excess errors)
FAIL: gfortran.dg/dollar_sym_3.f   -O  (test for excess errors)
FAIL: gfortran.dg/dollar_sym_3.f   -O  (test for excess errors)

New passes:
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fffc80f163c with insufficient space for an object of type 'char'
FAIL: gcc.dg/guality/pr54970.c   -Os  line 31 *p == 6
FAIL: gcc.dg/guality/pr54970.c   -Os  line 31 *q == 5
FAIL: gcc.dg/guality/pr54970.c   -Os  line 36 *p == 26
FAIL: gcc.dg/guality/pr54970.c   -Os  line 36 *q == 5
FAIL: gcc.dg/guality/pr54970.c   -Os  line 45 p[-1] == 25
FAIL: gcc.dg/guality/pr54970.c   -Os  line 45 *p == 26
FAIL: gcc.dg/guality/pr54970.c   -Os  line 45 q[1] == 26
FAIL: gcc.dg/guality/pr54970.c   -Os  line 45 *q == 25