Implement PEP 380 - 'yield from' (closes #11682)
diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst
index cb429c8..5ba66cb 100644
--- a/Doc/library/dis.rst
+++ b/Doc/library/dis.rst
@@ -431,6 +431,13 @@
    Pops ``TOS`` and yields it from a :term:`generator`.
 
 
+.. opcode:: YIELD_FROM
+
+   Pops ``TOS`` and delegates to it as a subiterator from a :term:`generator`.
+
+   .. versionadded:: 3.3
+
+
 .. opcode:: IMPORT_STAR
 
    Loads all symbols not starting with ``'_'`` directly from the module TOS to the