This doesn't appear to be used
+++ /dev/null
----------------------------------------------------------------------------
--- PrelNum.hi-boot
---
--- This hand-written interface file is the
--- initial bootstrap version for PrelNum.hi.
--- It's needed for the 'thin-air' Id addr2Integer, when compiling
--- PrelBase, and other Prelude files that precede PrelNum
----------------------------------------------------------------------------
-
-__interface "std" PrelNum 1 where
-__export PrelNum Integer addr2Integer ;
-
-1 data Integer ;
-1 addr2Integer :: PrelGHC.Addrzh -> Integer ;