[class.mem.general] Add cross-reference for 'layout-compatible type'

Author: jensmaurer

source/classes.tex

@@ -782,7 +782,7 @@
 types is the longest sequence of non-static data
 members and bit-fields in declaration order, starting with the first
 such entity in each of the structs, such that corresponding entities
-have layout-compatible types,
+have layout-compatible types\iref{basic.types},
 either both entities are declared with
 the \tcode{no_unique_address} attribute\iref{dcl.attr.nouniqueaddr}
 or neither is,