re PR c++/9639 ([New parser] Namespace std in constructor argument lists on…

re PR c++/9639 ([New parser] Namespace std in constructor argument lists on illegal code causes an ICE)

	PR c++/9639
	* parser.c (cp_parser_declarator_id): Clear parser->scope.

	PR c++/9639
	* g++.dg/parse/crash1.C: New test.

From-SVN: r64495

gcc/cp/ChangeLog

+2003-03-17  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/9639
+	* parser.c (cp_parser_declarator_id): Clear parser->scope.
+
 2003-03-16  Jason Merrill  <jason@redhat.com>
 
 	PR c++/9993

gcc/cp/parser.c

@@ -10424,7 +10424,10 @@ cp_parser_declarator_id (cp_parser* parser)
   /* If the name was qualified, create a SCOPE_REF to represent 
      that.  */
   if (parser->scope)
-    id_expression = build_nt (SCOPE_REF, parser->scope, id_expression);
+    {
+      id_expression = build_nt (SCOPE_REF, parser->scope, id_expression);
+      parser->scope = NULL_TREE;
+    }
 
   return id_expression;
 }

gcc/testsuite/ChangeLog

+2003-03-17  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/9639
+	* g++.dg/parse/crash1.C: New test. 
+
 2003-03-16  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/8805

gcc/testsuite/g++.dg/parse/crash1.C

+struct s { s(std::b o) { } }; // { dg-error "" }