From 07eca7decd329521cd95ade8ea243ee30ced28c8 Mon Sep 17 00:00:00 2001
From: Jasper Jenkins <jasper.vs.jenkins@gmail.com>
Date: Sun, 12 May 2019 23:47:30 -0700
Subject: [PATCH] Fixes #4140 (#11238)

* correct error

* cleaner

* fix line info
---
 compiler/semtypes.nim | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/compiler/semtypes.nim b/compiler/semtypes.nim
index e24ecdbdf4..6a27835519 100644
--- a/compiler/semtypes.nim
+++ b/compiler/semtypes.nim
@@ -610,9 +610,10 @@ proc semRecordCase(c: PContext, n: PNode, check: var IntSet, pos: var int,
     chckCovered = true
   of tyFloat..tyFloat128, tyString, tyError:
     discard
-  else:
-    if not isOrdinalType(typ):
-      localError(c.config, n.info, "selector must be of an ordinal type, float or string")
+  of tyForward:
+    errorUndeclaredIdentifier(c, n.sons[0].info, typ.sym.name.s)
+  elif not isOrdinalType(typ):
+    localError(c.config, n.sons[0].info, "selector must be of an ordinal type, float or string")
   for i in 1 ..< sonsLen(n):
     var b = copyTree(n.sons[i])
     addSon(a, b)