re PR c++/27805 (ICE with ptr-to-member of incomplete class)

PR c++/27805
* typeck2.c (build_m_component_ref): Use error_operand_p.

From-SVN: r114897

gcc/cp/ChangeLog

+2006-06-22  Lee Millward  <lee.millward@gmail.com>
+
+	PR c++/27805
+	* typeck2.c (build_m_component_ref): Use error_operand_p.
+	
 2006-06-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
 	PR c++/28111

gcc/cp/typeck2.c

@@ -1200,7 +1200,7 @@ build_m_component_ref (tree datum, tree component)
   tree binfo;
   tree ctype;
 
-  if (datum == error_mark_node || component == error_mark_node)
+  if (error_operand_p (datum) || error_operand_p (component))
     return error_mark_node;
 
   ptrmem_type = TREE_TYPE (component);

gcc/testsuite/ChangeLog

+2006-06-22  Lee Millward  <lee.millward@gmail.com>
+
+	PR c++/27805
+	* g++.dg/parse/ptrmem6.C: New test.
+	
 2006-06-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
 	PR c++/28111

gcc/testsuite/g++.dg/parse/ptrmem6.C

+//PR C++/27805
+
+struct A;
+
+void foo()
+{
+    int A::* p;
+    A a; // { dg-error "incomplete type" }
+    a.*p;
+} 
+