name-lookup.c, [...]: Revert Giovanni's patch from yesterday.

        * name-lookup.c, init.c, except.c: Revert Giovanni's patch from
        yesterday.

From-SVN: r74446

gcc/cp/ChangeLog

 2003-12-08  Jason Merrill  <jason@redhat.com>
 
+	* name-lookup.c, init.c, except.c: Revert Giovanni's patch from
+	yesterday.
+
 	Give the anonymous namespace a null DECL_NAME.
 	* cp-tree.h: Don't declare anonymous_namespace_name.
 	* decl.c: Don't define it.

gcc/cp/except.c

@@ -645,11 +645,6 @@ build_throw (tree exp)
 	  tmp = build_function_type (ptr_type_node, tmp);
 	  fn = push_throw_library_fn (fn, tmp);
 	}
-      else if (really_overloaded_fn (fn))
-	{
-	  error ("`%D' should never be overloaded", fn);
-	  return error_mark_node;
-	}
       fn = OVL_CURRENT (fn);
       exp = build_function_call (fn, tree_cons (NULL_TREE, exp, NULL_TREE));
     }

gcc/cp/init.c

@@ -2005,18 +2005,11 @@ build_new_1 (tree exp)
       tree class_size = size_in_bytes (true_type);
       static const char alloc_name[] = "_Jv_AllocObject";
       use_java_new = 1;
-      if (!get_global_value_if_present (get_identifier (alloc_name), 
-					&alloc_decl))
-	{
-	  error ("call to Java constructor with `%s' undefined", alloc_name);
-	  return error_mark_node;
-	}
-      else if (really_overloaded_fn (alloc_decl))
-	{
-	  error ("`%D' should never be overloaded", alloc_decl);
-	  return error_mark_node;
-	}
-      alloc_decl = OVL_CURRENT (alloc_decl);
+      alloc_decl = IDENTIFIER_GLOBAL_VALUE (get_identifier (alloc_name));
+      if (alloc_decl == NULL_TREE)
+      fatal_error ("call to Java constructor with `%s' undefined",
+                   alloc_name);
+
       class_addr = build1 (ADDR_EXPR, jclass_node, class_decl);
       alloc_call = (build_function_call
 		    (alloc_decl,

gcc/cp/name-lookup.c

@@ -2006,11 +2006,7 @@ push_overloaded_decl (tree decl, int flags)
 	}
     }
 
-  /* FIXME: We should build OVERLOADs for all function declarations here.
-     But right now, there are too many places where the code creates an
-     artificial declaration and expects the name to be bound exactly
-     to a FUNCTION_DECL.  */
-  if (!DECL_ARTIFICIAL (decl))
+  if (old || TREE_CODE (decl) == TEMPLATE_DECL)
     {
       if (old && TREE_CODE (old) != OVERLOAD)
 	new_binding = ovl_cons (decl, ovl_cons (old, NULL_TREE));
@@ -2020,6 +2016,7 @@ push_overloaded_decl (tree decl, int flags)
 	OVL_USED (new_binding) = 1;
     }
   else
+    /* NAME is not ambiguous.  */
     new_binding = decl;
 
   if (doing_global)
@@ -2877,11 +2874,7 @@ set_namespace_binding (tree name, tree scope, tree val)
   if (scope == NULL_TREE)
     scope = global_namespace;
   b = binding_for_name (NAMESPACE_LEVEL (scope), name);
-  if (!b->value
-      /* If OVL_CHAIN is NULL, it's the first FUNCTION_DECL for this name,
-       and we still need to call supplement_binding.  */
-      || (TREE_CODE (val) == OVERLOAD && OVL_CHAIN (val))
-      || val == error_mark_node)
+  if (!b->value || TREE_CODE (val) == OVERLOAD || val == error_mark_node)
     b->value = val;
   else
     supplement_binding (b, val);