re PR c++/46117 (ICE: SIGSEGV in add_function_candidate (call.c:1630) on invalid typename usage)

/cp
2010-10-21  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/46117
	* call.c (add_function_candidate): Don't use TREE_VALUE on null
	parmnode.

/testsuite
2010-10-21  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/46117
	* g++.dg/parse/crash57.C: New.

From-SVN: r165794

gcc/cp/ChangeLog

+2010-10-21  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/46117
+	* call.c (add_function_candidate): Don't use TREE_VALUE on null
+	parmnode.
+
 2010-10-20  Nicola Pero  <nicola.pero@meta-innovation.com>
 
 	* parser.c (cp_parser_objc_method_type): Mark inline.  Return a
@@ -6,9 +12,9 @@
 	cp_parser_objc_method_type and to objc_build_method_signature.
 	(cp_parser_objc_method_prototype_list): Updated calls to
 	objc_add_method_declaration.  Use token->type to determine if it
-	is a class method or not.	
+	is a class method or not.
 	(cp_parser_objc_method_definition_list): Same change.
-	
+
 2010-10-20  Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>
 
 	PR c++/46056
@@ -20,7 +26,7 @@
 	* cp-lang.c (finish_file): Removed.
 	* decl2.c (cp_write_global_declarations): Call
 	objc_write_global_declarations when compiling Objective-C++.
-	
+
 2010-10-19  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/46046

gcc/cp/call.c

@@ -1613,9 +1613,10 @@ add_function_candidate (struct z_candidate **candidates,
   /* Kludge: When looking for a function from a subobject while generating
      an implicit copy/move constructor/operator=, don't consider anything
      that takes (a reference to) an unrelated type.  See c++/44909.  */
-  else if ((flags & LOOKUP_SPECULATIVE)
-	   || (current_function_decl
-	       && DECL_DEFAULTED_FN (current_function_decl)))
+  else if (parmlist
+	   && ((flags & LOOKUP_SPECULATIVE)
+	       || (current_function_decl
+		   && DECL_DEFAULTED_FN (current_function_decl))))
     {
       if (DECL_CONSTRUCTOR_P (fn))
 	i = 1;

gcc/testsuite/ChangeLog

+2010-10-21  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/46117
+	* g++.dg/parse/crash57.C: New.
+
 2010-10-21  Uros Bizjak  <ubizjak@gmail.com>
 	    H.J. Lu  <hongjiu.lu@intel.com>
 

gcc/testsuite/g++.dg/parse/crash57.C

+// PR c++/46117
+
+struct A
+{
+  A (typename int); // { dg-error "before|declaration" }
+};
+
+struct B : A {};
+
+B b;