diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index b3bad798b3eb9589cb1116f0bfedca246b717484..700b99241ea95da05ca59c20c7b5e7125a6c5faa 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2005-12-12  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/25300
+	* tree.c (build_qualified_name): Return error_mark_node for
+	erroneous input.
+
 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/25337 
diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c
index 15ee56c7c870da81be2e95de7d0b4bd44c6eb30a..4340c69e1d372fb1b95064ad57c8651b443e6740 100644
--- a/gcc/cp/tree.c
+++ b/gcc/cp/tree.c
@@ -817,6 +817,10 @@ tree
 build_qualified_name (tree type, tree scope, tree name, bool template_p)
 {
   tree t;
+  if (type == error_mark_node
+      || scope == error_mark_node
+      || name == error_mark_node)
+    return error_mark_node;
   t = build2 (SCOPE_REF, type, scope, name);
   QUALIFIED_NAME_IS_TEMPLATE (t) = template_p;
   return t;
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index bdade3ec6f609c395bb72ec8330313b3868e6f73..6e5aad0f9dc63f337dac37b2fefc7d5b6c41cf8a 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2005-12-12  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/25300
+	* g++.dg/template/inherit.C: Do not use a generic error message.
+
 2005-12-12  Andrew Pinski  <pinskia@physics.uc.edu>
 
 	PR libobjc/25354
diff --git a/gcc/testsuite/g++.dg/template/inherit.C b/gcc/testsuite/g++.dg/template/inherit.C
index dbff7e145eedf18f30d9c02c32c63a8a4cbaedf3..bc20345fa0a7c7b57cf28818149a06bbc82560fc 100644
--- a/gcc/testsuite/g++.dg/template/inherit.C
+++ b/gcc/testsuite/g++.dg/template/inherit.C
@@ -9,5 +9,5 @@ struct Z : X<int> { };
 int main()
 {
   Z z;
-  z.X::f();                     // { dg-error ".*" "" }
+  z.X::f();                     // { dg-error "template parameters" "" }
 }