* tree.h (TYPE_ARRAY_MAX_SIZE): New macro (used by Chill).

From-SVN: r10898

gcc/tree.h

@@ -621,6 +621,10 @@ struct tree_block
    If set in a SET_TYPE, indicates a bitstring type. */
 #define TYPE_STRING_FLAG(NODE) ((NODE)->type.string_flag)
 
+/* If non-NULL, this is a upper bound of the size (in bytes) of an
+   object of the given ARRAY_TYPE.  This allows temporaries to be allocated. */
+#define TYPE_ARRAY_MAX_SIZE(ARRAY_TYPE) TYPE_MAX_VALUE (ARRAY_TYPE)
+
 /* Indicates that objects of this type must be initialized by calling a
    function when they are created.  */
 #define TYPE_NEEDS_CONSTRUCTING(NODE) ((NODE)->type.needs_constructing_flag)