re PR c++/58843 (ICE with broken destructor call)

/cp
2014-01-30  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58843
	* typeck.c (lookup_destructor): Check dtor_type for error_mark_node.

/testsuite
2014-01-30  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58843
	* g++.dg/lookup/crash8.C: New.

From-SVN: r207305

gcc/cp/ChangeLog

 2014-01-30  Paolo Carlini  <paolo.carlini@oracle.com>
 
+	PR c++/58843
+	* typeck.c (lookup_destructor): Check dtor_type for error_mark_node.
+
+2014-01-30  Paolo Carlini  <paolo.carlini@oracle.com>
+
 	PR c++/58649
 	* pt.c (lookup_template_class_1): Check start_enum return value
 	for error_mark_node.

gcc/cp/typeck.c

@@ -2486,6 +2486,10 @@ lookup_destructor (tree object, tree scope, tree dtor_name,
   tree dtor_type = TREE_OPERAND (dtor_name, 0);
   tree expr;
 
+  /* We've already complained about this destructor.  */
+  if (dtor_type == error_mark_node)
+    return error_mark_node;
+
   if (scope && !check_dtor_name (scope, dtor_type))
     {
       if (complain & tf_error)

gcc/testsuite/ChangeLog

 2014-01-30  Paolo Carlini  <paolo.carlini@oracle.com>
 
+	PR c++/58843
+	* g++.dg/lookup/crash8.C: New.
+
+2014-01-30  Paolo Carlini  <paolo.carlini@oracle.com>
+
 	PR c++/58649
 	* g++.dg/template/crash117.C: New.
 

gcc/testsuite/g++.dg/lookup/crash8.C

+// PR c++/58843
+
+struct A {};
+
+template<typename T> void foo(T t)
+{
+  t.T::~X();  // { dg-error "no type" }
+}
+
+void bar()
+{
+  foo(A());
+}