Re: [PATCH 3/7] Emit macro expansion related diagnostics

[Jason Merrill]

On 10/03/2011 06:49 PM, Dodji Seketeli wrote:
Good question.  Is the below better?

+  if (linemap_location_from_macro_expansion_p (set, pre))
+    pre = linemap_resolve_location (set, pre,
+                                   LRK_MACRO_EXPANSION_POINT, NULL);
+
+  if (linemap_location_from_macro_expansion_p (set, post))
+    post = linemap_resolve_location (set, post,
+                                    LRK_MACRO_EXPANSION_POINT,
+                                    NULL);

This looks like two different virtual locations from the same macro 
expansion will compare equal.

Jason