[Bug c++/115446] [15 Regression] Segfault when exporting operator new

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115446

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
s/unsigned long/decltype(sizeof(0))/

to make the testcase more portable since not all targets use `unsigned long` as
size_t.