Issue #27140: Added BUILD_CONST_KEY_MAP opcode.
diff --git a/Lib/opcode.py b/Lib/opcode.py
index ecc24bb..2303407 100644
--- a/Lib/opcode.py
+++ b/Lib/opcode.py
@@ -213,5 +213,6 @@
 def_op('BUILD_SET_UNPACK', 153)
 
 def_op('FORMAT_VALUE', 155)
+def_op('BUILD_CONST_KEY_MAP', 156)
 
 del def_op, name_op, jrel_op, jabs_op