[Truffle] Update IO read_nonblock default parameter

jruby · Sep 6, 2016 · affe1ce · affe1ce
1 parent faf9735
commit affe1ce
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/truffle/src/main/ruby/core/io.rb b/truffle/src/main/ruby/core/io.rb
@@ -2104,8 +2104,7 @@ def read_all
   #
   # If the read buffer is not empty, read_nonblock reads from the
   # buffer like readpartial. In this case, read(2) is not called.
-  def read_nonblock(size, buffer = undefined, exception: true)
-    buffer = nil if undefined.equal?(buffer)
+  def read_nonblock(size, buffer = nil, exception: true)
 
     raise ArgumentError, "illegal read size" if size < 0
     ensure_open