bare_instructions.rb: sort attributes [ci skip]

This enhances stability of the generated source code (namely
insns_info.inc) across attribute insertion / deletion.  It does
not change the compiled binary at all; just a bit of readability.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65425 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

tool/ruby_vm/models/bare_instructions.rb

@@ -58,7 +58,9 @@ class RubyVM::BareInstructions
   end
 
   def attributes
-    return @attrs.values
+    return @attrs           \
+      . sort_by {|k, _| k } \
+      . map     {|_, v| v }
   end
 
   def width