re PR c++/45665 (ICE: tree check: expected class 'type', have 'exceptional'…

re PR c++/45665 (ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in grokdeclarator, at cp/decl.c:8797 on invalid code)

/cp
2010-09-15  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/45665
	* decl.c (grokdeclarator): Check build_memfn_type return value
	for error_mark_node.

/testsuite
2010-09-15  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/45665
	* g++.dg/template/crash103.C: New.

From-SVN: r164299

gcc/cp/ChangeLog

+2010-09-15  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/45665
+	* decl.c (grokdeclarator): Check build_memfn_type return value
+	for error_mark_node.
+
 2010-09-13  Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>
 
 	* semantics.c (finish_for_stmt): Always test flag_new_for_scope.

gcc/cp/decl.c

@@ -8762,6 +8762,8 @@ grokdeclarator (const cp_declarator *declarator,
 	      type = build_memfn_type (type,
 				       declarator->u.pointer.class_type,
 				       memfn_quals);
+	      if (type == error_mark_node)
+		return error_mark_node;
 	      memfn_quals = TYPE_UNQUALIFIED;
 	    }
 

gcc/testsuite/ChangeLog

+2010-09-15  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/45665
+	* g++.dg/template/crash103.C: New.
+
 2010-09-15  Nicola Pero  <nicola.pero@meta-innovation.com>
 
 	Merge from 'apple/trunk' branch on FSF servers.

gcc/testsuite/g++.dg/template/crash103.C

+// PR c++/45665
+
+template < typename > struct S;
+void (S <0>::*ptr) (); // { dg-error "type" }