From d56a19cbf526190de036130fe3a5bf14a0705ee2 Mon Sep 17 00:00:00 2001
From: Bouke van der Bijl <boukevanderbijl@gmail.com>
Date: Fri, 2 Dec 2016 09:48:28 -0500
Subject: Don't generate code for NODE_NEGATE if the result isn't used

Reported by https://hackerone.com/haquaman
---
 test/t/codegen.rb | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'test')

diff --git a/test/t/codegen.rb b/test/t/codegen.rb
index bb0f5c306..bd360dbcb 100644
--- a/test/t/codegen.rb
+++ b/test/t/codegen.rb
@@ -63,3 +63,13 @@ assert('splat in case splat') do
 
   assert_equal [1], a
 end
+
+assert('negate literal register alignment') do
+  a = *case
+  when 0
+    -0.0
+    2
+  end
+
+  assert_equal [2], a
+end
-- 
cgit v1.2.3