From 0009fc378109f870472ded41d29c5d81febd5990 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Sat, 3 Nov 2018 07:12:10 +0100
Subject: Add get_map_element to beam_ssa:no_side_effect/1

The `get_map_element` instruction has no side effects, and should be
removed if its value is not used.
---
 lib/compiler/src/beam_ssa.erl | 1 +
 1 file changed, 1 insertion(+)

(limited to 'lib/compiler/src')

diff --git a/lib/compiler/src/beam_ssa.erl b/lib/compiler/src/beam_ssa.erl
index c5e23d2ae0..b491e340b7 100644
--- a/lib/compiler/src/beam_ssa.erl
+++ b/lib/compiler/src/beam_ssa.erl
@@ -194,6 +194,7 @@ no_side_effect(#b_set{op=Op}) ->
         extract -> true;
         get_hd -> true;
         get_tl -> true;
+        get_map_element -> true;
         get_tuple_element -> true;
         has_map_field -> true;
         is_nonempty_list -> true;
-- 
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