From 8f41312ca685faa91a950bfce866301631d0e2a9 Mon Sep 17 00:00:00 2001
From: Araq <rumpf_a@web.de>
Date: Thu, 6 Jan 2011 00:33:56 +0100
Subject: [PATCH] bugfix: semantic checking: tuples without named fields

---
 rod/semexprs.nim                   | 2 +-
 tests/reject/twrongtupleaccess.nim | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 tests/reject/twrongtupleaccess.nim

diff --git a/rod/semexprs.nim b/rod/semexprs.nim
index 6ce1628d5f..10ed6567ed 100755
--- a/rod/semexprs.nim
+++ b/rod/semexprs.nim
@@ -662,7 +662,7 @@ proc builtinFieldAccess(c: PContext, n: PNode, flags: TExprFlags): PNode =
           check.sons[0] = n
           check.typ = n.typ
           result = check
-  elif ty.kind == tyTuple: 
+  elif ty.kind == tyTuple and ty.n != nil: 
     f = getSymFromList(ty.n, i)
     if f != nil: 
       n.sons[0] = makeDeref(n.sons[0])
diff --git a/tests/reject/twrongtupleaccess.nim b/tests/reject/twrongtupleaccess.nim
new file mode 100644
index 0000000000..f706e267c1
--- /dev/null
+++ b/tests/reject/twrongtupleaccess.nim
@@ -0,0 +1,5 @@
+# Bugfix
+
+var v = (5.0, 10.0)
+v.setBLAH(10)
+