[Bug c/68334] combination of weak and noreturn attributes

[joseph at codesourcery dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68334

--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
I don't see any difference between declaring the function noreturn (or 
pure, or const, or returning non-aliased memory like malloc, or ...) and 
declaring it to have a certain type.  In both cases, if overriding at link 
time is allowed, the overriding copy must still have the declared 
property.