Issue #2183: Simplify and optimize bytecode for list comprehensions.
diff --git a/Include/opcode.h b/Include/opcode.h
index 9f20b56..5e6fba0 100644
--- a/Include/opcode.h
+++ b/Include/opcode.h
@@ -22,7 +22,6 @@
 
 #define UNARY_INVERT	15
 
-#define LIST_APPEND	18
 #define BINARY_POWER	19
 
 #define BINARY_MULTIPLY	20
@@ -89,6 +88,7 @@
 #define DELETE_NAME	91	/* "" */
 #define UNPACK_SEQUENCE	92	/* Number of sequence items */
 #define FOR_ITER	93
+#define LIST_APPEND	94
 
 #define STORE_ATTR	95	/* Index in name list */
 #define DELETE_ATTR	96	/* "" */