[PATCH 3/7] Emit macro expansion related diagnostics

[Gabriel Dos Reis]

On Tue, Oct 11, 2011 at 9:47 AM, Jason Merrill <jason@redhat.com> wrote:
> That looks pretty good, but do you really need to build up a separate data
> structure to search?  You seem to be searching it in the same order that
> it's built up, so why not just walk the expansion chain directly when
> searching?


Agreed.

Also, please keep linemap_location_before_p, if needed as macro that
expands to the comparison function.  That aids readability.