[project @ 1999-09-06 12:42:29 by simonmar]

Add parse error/layout test.

ghc/tests/reader/should_fail/read012.hs

+-- !!! test parse errors due to tokens inserted by layout
+
+-- used to report "Parse error on input `'" in 4.04pl0.
+
+main = let 
+	f = (a,
+	g = 1
+	in f
+

ghc/tests/reader/should_fail/read012.stderr

+read012.hs:7: parse error (possibly incorrect indentation)
+
+Compilation had errors
+