From 6e3fe890d5fb3c80fac41df0fa1731c27668415c Mon Sep 17 00:00:00 2001
From: k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 11 Sep 2018 14:10:00 +0000
Subject: [PATCH] bare_instructions.rb: use Hash#fetch to read attr

to raise descriptive KeyError instead of NoMethodError in case these
attrs are accidentally removed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64685 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/ruby_vm/models/bare_instructions.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tool/ruby_vm/models/bare_instructions.rb b/tool/ruby_vm/models/bare_instructions.rb
index 740949c752..30a6e0ff88 100755
--- a/tool/ruby_vm/models/bare_instructions.rb
+++ b/tool/ruby_vm/models/bare_instructions.rb
@@ -102,11 +102,11 @@ class RubyVM::BareInstructions
   end
 
   def handles_sp?
-    /\b(false|0)\b/ !~ @attrs['handles_sp'].expr.expr
+    /\b(false|0)\b/ !~ @attrs.fetch('handles_sp').expr.expr
   end
 
   def always_leaf?
-    @attrs['leaf'].expr.expr == 'true;'
+    @attrs.fetch('leaf').expr.expr == 'true;'
   end
 
   def complicated_return_values?