Handle new'ing of Java classes.

 
	Handle new'ing of Java classes.
	* init.c (build_class_classref):  New function.
	(build_new_1):  If type is TYPE_FOR_JAVA:  Call _Jv_AllocObject;
	constructor does not return this;  don't need to exception-protect.
	* pt.c (lookup_template_class):  Copy TYPE_FOR_JAVA flag.
	* decl2.c (acceptable_java_type):  Handle template-derived types.

From-SVN: r21881

gcc/cp/decl2.c

@@ -1403,8 +1403,22 @@ acceptable_java_type (type)
       type = TREE_TYPE (type);
       if (TREE_CODE (type) == RECORD_TYPE)
 	{
-	  complete_type (type);
-	  return TYPE_FOR_JAVA (type);
+	  tree args;  int i;
+	  if (! TYPE_FOR_JAVA (type))
+	    return 0;
+	  if (! CLASSTYPE_TEMPLATE_INFO (type))
+	    return 1;
+	  args = CLASSTYPE_TI_ARGS (type);
+	  i = TREE_VEC_LENGTH (args);
+	  while (--i >= 0)
+	    {
+	      type = TREE_VEC_ELT (args, i);
+	      if (TREE_CODE (type) == POINTER_TYPE)
+		type = TREE_TYPE (type);
+	      if (! TYPE_FOR_JAVA (type))
+		return 0;
+	    }
+	  return 1;
 	}
     }
   return 0;