[Issue 19570] pragma(inline) is emitting symbols

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19570

--- Comment #8 from Walter Bright <bugzilla at digitalmars.com> ---
(In reply to Manu from comment #7)
>  - emit a copy of the function to each CU it's called from

But then it's going to be doing code gen for each of them over and over.

>  - not emit the function to the CU it's declared (unless it's called, as
> above)
>  - mark the function with 'internal' linkage (what C++ calls 'static') so
> it's not in the object's exported symbol table.

So what if it's in the symbol table?

> - symbol is not externally linkable

Why not?

> - symbols referenced by an inline function that's never called must NOT cause a link error under any circumstances

This is a linker problem - the linker is supposed to remove unreferenced
functions.

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