[PATCH][gdb/symtab] Handle .gdb_index in ada language mode

[Tom Tromey]

>>>>> "Tom" == Tom de Vries <tdevries@suse.de> writes:

Tom> Fix the inconsistency by completing implementation of
Tom> dw2_map_matching_symbols.

Thanks for doing this.

Tom> Tested on x86_64-linux, both with native and target board
Tom> cc-with-debug-index.

Tom> Any comments?

This may be the only barrier to supporting Ada in .gdb_index.
So, it seems like the Ada check in dwarf2/index-write.c should probably
be removed as well...?

I'm not 100% sure whether it will work or not.
If you'd rather not try, that's fine by me.  I think this patch looks
ok.

Tom