re PR c++/64251 (Chromium build error only with --enable-checking=yes)

	PR c++/64251
	* decl2.c (mark_used): Don't mark if in_template_function.

From-SVN: r218876

gcc/cp/ChangeLog

+2014-12-18  Jason Merrill  <jason@redhat.com>
+
+	PR c++/64251
+	* decl2.c (mark_used): Don't mark if in_template_function.
+
 2014-12-18  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/60955

gcc/cp/decl2.c

@@ -5017,7 +5017,7 @@ mark_used (tree decl, tsubst_flags_t complain)
       --function_depth;
     }
 
-  if (processing_template_decl)
+  if (processing_template_decl || in_template_function ())
     return true;
 
   /* Check this too in case we're within instantiate_non_dependent_expr.  */

gcc/testsuite/g++.dg/template/non-dependent14.C

+// PR c++/64251
+
+class DictionaryValue {};
+template <typename T> void CreateValue(T) {
+  DictionaryValue(0);
+  CreateValue(0);
+}