From bb468eab3064d1e8bec5d6c6f53c60ccce2c9dc2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Tue, 24 May 2016 08:41:30 +0200
Subject: beam_receive: Don't crash when encountering nonsensical code

---
 lib/compiler/src/beam_receive.erl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'lib/compiler/src/beam_receive.erl')

diff --git a/lib/compiler/src/beam_receive.erl b/lib/compiler/src/beam_receive.erl
index c593184746..89cafe27ce 100644
--- a/lib/compiler/src/beam_receive.erl
+++ b/lib/compiler/src/beam_receive.erl
@@ -177,7 +177,8 @@ opt_recv([I|Is], D, R0, L0, Acc) ->
 	    no;
 	false ->
 	    opt_recv(Is, D, R, L, [I|Acc])
-    end.
+    end;
+opt_recv([], _, _, _, _) -> no.
 
 opt_update_regs({block,Bl}, R, L) ->
     {opt_update_regs_bl(Bl, R),L};
-- 
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