Re: C++ PATCH for c++/68449 (segv with compound statement)

[Jason Merrill]

On 01/08/2016 12:48 PM, Marek Polacek wrote:
        if (tree *p = ctx->values->get (r))
          r = *p;
-      if (DECL_P (r))
+      if (r == NULL_TREE || DECL_P (r))

I think it would be a bit better not to change r if *p is null.  OK with 
that change.

Jason