[Bug 46028] Provide separate debug/symbol info files (.pdb) for 32-bit and 64-bit Wine-Gecko 2.47+ package (unstripped 32-bit ' xul.dll' too large to be mapped)

https://bugs.winehq.org/show_bug.cgi?id=46028

--- Comment #3 from Austin English  ---
(In reply to Jacek Caban from comment #2)
> Recently Firefox mingw builds were moved to clang-based toolchain. clang has
> support for .pdb files:
> https://bugzilla.mozilla.org/show_bug.cgi?id=1475562
> https://bugzilla.mozilla.org/show_bug.cgi?id=1497645
>
> If we update our Gecko package, we could use that. The problem is that a
> number of interfaces we use in MSHTML (see nsifacei.idl file) were removed
> from upstream Gecko meantime, so updating is going to be hard.

The problem isn't generating the pdb. The problem was that wine's
dbghelp/kernel32 couldn't work with newer pdb formats.

I wasn't able to find what version format clang uses, but if it's too new they
won't work out of the box for us.