[Bug preprocessor/94207] error: pasting "::" and "ClassFOO1" does not give a valid preprocessing token

[jr at heisey dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94207

--- Comment #2 from J.R. Heisey <jr at heisey dot org> ---
OK I see that now.
I still cannot make it work with this 

#define ENUM_CLASS_TEST_INIT(k) \
  mEnumClassTest[k] = EnumClassTest::k;

or adding whitespace between :: and k