Regressions on trunk at revision 219721 vs revision 219700

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

New failures:
FAIL: c-c++-common/ubsan/object-size-9.c   -O2  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fff94ef393c with insufficient space for an object of type 'char'
FAIL: c-c++-common/ubsan/object-size-9.c   -O2  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fffeafffd5c with insufficient space for an object of type 'char'
FAIL: c-c++-common/ubsan/object-size-9.c   -O2  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7ffff52360fc with insufficient space for an object of type 'char'
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fff2593672c with insufficient space for an object of type 'char'
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fff3c9782dc with insufficient space for an object of type 'char'
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fffa9d2080c with insufficient space for an object of type 'char'
ERROR: (DejaGnu) proc "libatomic_target_compile lto2212.c lto2212.o object additional_flags=-flto" does not exist.
ERROR: could not compile testsuite_abi.cc
ERROR: could not compile testsuite_abi.cc
ERROR: could not compile testsuite_abi.cc
ERROR: could not compile testsuite_abi.cc
ERROR: could not compile testsuite_shared.cc
ERROR: could not compile testsuite_shared.cc
ERROR: could not compile testsuite_shared.cc
ERROR: could not compile testsuite_shared.cc
ERROR: tcl error sourcing /export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/testsuite/libstdc++-dg/conformance.exp.
ERROR: tcl error sourcing /export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/testsuite/libstdc++-dg/conformance.exp.
ERROR: tcl error sourcing /export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/testsuite/libstdc++-dg/conformance.exp.
ERROR: tcl error sourcing /export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/testsuite/libstdc++-dg/conformance.exp.
ERROR: tcl error sourcing /export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/testsuite/libstdc++-prettyprinters/prettyprinters.exp.
ERROR: tcl error sourcing /export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/testsuite/libstdc++-prettyprinters/prettyprinters.exp.
ERROR: tcl error sourcing /export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/testsuite/libstdc++-prettyprinters/prettyprinters.exp.
ERROR: tcl error sourcing /export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/testsuite/libstdc++-prettyprinters/prettyprinters.exp.

New passes:
FAIL: c-c++-common/ubsan/object-size-9.c   -O2  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fff6d4cc95c with insufficient space for an object of type 'char'
FAIL: c-c++-common/ubsan/object-size-9.c   -O2  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fff9a0ef99c with insufficient space for an object of type 'char'
FAIL: c-c++-common/ubsan/object-size-9.c   -O2  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fffaecfb66c with insufficient space for an object of type 'char'
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fff936b0c9c with insufficient space for an object of type 'char'
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7ffff0e588fc with insufficient space for an object of type 'char'
FAIL: c-c++-common/ubsan/object-size-9.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test, is c-c++-common/ubsan/object-size-9.c:21:11: runtime error: load of address 0x7fffffa96cec with insufficient space for an object of type 'char'
ERROR: (DejaGnu) proc "libatomic_target_compile lto23351.c lto23351.o object additional_flags=-flto" does not exist.