Fix makeLiteral for arrays inside records.

This was an "obvious" bug (a missing pattern) being masked by me doing a
pattern match inside an array constructor -- if the pattern doesn't match then
it'll skip that value, rather than causing an error like it does in a case.

ParseOccam.hs

@@ -684,8 +684,11 @@ makeLiteral x@(A.Literal m t lr) wantT
             -- representation.
             (A.Record _, A.ArrayLiteral ml aes)  ->
               do fs <- recordFields m underT
-                 es <- sequence [makeLiteral e t
-                                 | ((_, t), A.ArrayElemExpr e) <- zip fs aes]
+                 es <- sequence [case ae of
+                                   A.ArrayElemExpr e -> makeLiteral e t
+                                   A.ArrayElemArray aes ->
+                                     makeLiteral (A.Literal m t $ A.ArrayLiteral ml aes) t
+                                 | ((_, t), ae) <- zip fs aes]
                  return $ A.Literal m wantT (A.RecordLiteral ml es)
             -- Some other kind of literal (one of the trivial types).
             _ -> return $ A.Literal m wantT lr

testcases/record-literals2.occ

@@ -0,0 +1,13 @@
+-- From cgtest56
+
+PROC record.literals()
+  DATA TYPE contains.array
+    RECORD
+      BYTE b :
+      [3]INT a :
+      INT i :
+  :
+  [2]contains.array aca :
+  aca := [['a', [2,3,4], 6],['b', [3,4,5], 7]]
+:
+