From 8be60dc6bd5885f2eda43d11077d2743dd0ee742 Mon Sep 17 00:00:00 2001
From: Andreas Rumpf <rumpf_a@web.de>
Date: Thu, 19 Oct 2017 15:51:36 +0200
Subject: [PATCH] allow 'block' and 'nkState' after return for easier state
 machine generation

---
 compiler/semstmts.nim | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/compiler/semstmts.nim b/compiler/semstmts.nim
index d6c2a9ea1c..564ab7ac3c 100644
--- a/compiler/semstmts.nim
+++ b/compiler/semstmts.nim
@@ -1832,7 +1832,8 @@ proc semStmtList(c: PContext, n: PNode, flags: TExprFlags): PNode =
       of LastBlockStmts:
         for j in countup(i + 1, length - 1):
           case n.sons[j].kind
-          of nkPragma, nkCommentStmt, nkNilLit, nkEmpty: discard
+          of nkPragma, nkCommentStmt, nkNilLit, nkEmpty, nkBlockExpr,
+             nkBlockStmt, nkState: discard
           else: localError(n.sons[j].info, errStmtInvalidAfterReturn)
       else: discard