[project @ 1997-05-19 00:34:38 by sof]

Duplicate constructor check

GHC_ONLY/cg041/Main.hs

+{- 
+Date: Thu, 15 May 1997 14:20:29 +0100 (BST)
+From: Alex Ferguson <abf@cs.ucc.ie>
+The following erroneous fragment erroneously compiles.
+
+And then promptly falls over in the assembler, of all places.
+-}
+
+data Token
+     =  TokNewline
+     |  TokLiteral
+     |  TokCount
+     |  TokCheck
+     |  TokIs
+     |  TokDeref
+     |  TokFind
+     |  TokLiteral		-- Duplicated!
+     |  TokThe
+
+      deriving Show
+
+main = print TokCount

GHC_ONLY/cg041/Makefile

+TOP = ../..
+include $(TOP)/mk/boilerplate.mk
+-include opts.mk
+include $(TOP)/mk/target.mk
+