[Bug bootstrap/68231] [6 Regression] bootstrap failure after placement new

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68231

--- Comment #6 from David Edelsohn <dje at gcc dot gnu.org> ---
This seems to be fixed after Martin's second patch.  Although the placement new
size test in the testsuite fails on AIX.