Regressions on trunk at revision 246560 vs revision 246527

[H.J. Lu x32]

New failures:
FAIL: libstdc++-prettyprinters/cxx17.cc print o
FAIL: libstdc++-prettyprinters/cxx17.cc print ob
FAIL: libstdc++-prettyprinters/cxx17.cc print oi
FAIL: libstdc++-prettyprinters/cxx17.cc print om
FAIL: libstdc++-prettyprinters/cxx17.cc print op
FAIL: libstdc++-prettyprinters/cxx17.cc print os

New passes: