Re: [C++ Patch] PR 71238 ("Undeclared function message imprecisely points to error column")

[Jason Merrill]

On 05/30/2016 11:42 AM, Paolo Carlini wrote:
+unqualified_name_lookup_error (tree name, location_t loc)
 {
+  if (loc == UNKNOWN_LOCATION)
+    loc = location_of (name);

When does this do anything useful?  If name is a DECL, this will give 
the wrong answer.  If name is an IDENTIFIER_NODE, this will give 
UNKNOWN_LOCATION.

Jason