From 47658cd4263a41889540ebffa809e01cafe36eb5 Mon Sep 17 00:00:00 2001
From: Araq <rumpf_a@web.de>
Date: Thu, 25 Jun 2015 11:30:03 +0200
Subject: [PATCH] fixes #2974

---
 compiler/sigmatch.nim                    | 2 ++
 contributing.rst => doc/contributing.rst | 0
 2 files changed, 2 insertions(+)
 rename contributing.rst => doc/contributing.rst (100%)

diff --git a/compiler/sigmatch.nim b/compiler/sigmatch.nim
index cd6e1ff9ae..40836a94d1 100644
--- a/compiler/sigmatch.nim
+++ b/compiler/sigmatch.nim
@@ -1300,6 +1300,8 @@ proc paramTypesMatchAux(m: var TCandidate, f, argType: PType,
   of isInferred, isInferredConvertible:
     if arg.kind in {nkProcDef, nkIteratorDef} + nkLambdaKinds:
       result = c.semInferredLambda(c, m.bindings, arg)
+    elif arg.kind != nkSym:
+      return nil
     else:
       let inferred = c.semGenerateInstance(c, arg.sym, m.bindings, arg.info)
       result = newSymNode(inferred, arg.info)
diff --git a/contributing.rst b/doc/contributing.rst
similarity index 100%
rename from contributing.rst
rename to doc/contributing.rst