Issue #2335: Backport set literals syntax from Python 3.x.
diff --git a/Lib/opcode.py b/Lib/opcode.py
index 7c3962d..f11e475 100644
--- a/Lib/opcode.py
+++ b/Lib/opcode.py
@@ -138,13 +138,13 @@
name_op('LOAD_NAME', 101) # Index in name list
def_op('BUILD_TUPLE', 102) # Number of tuple items
def_op('BUILD_LIST', 103) # Number of list items
-def_op('BUILD_MAP', 104) # Number of dict entries (upto 255)
-name_op('LOAD_ATTR', 105) # Index in name list
-def_op('COMPARE_OP', 106) # Comparison operator
-hascompare.append(106)
-name_op('IMPORT_NAME', 107) # Index in name list
-name_op('IMPORT_FROM', 108) # Index in name list
-
+def_op('BUILD_SET', 104) # Number of set items
+def_op('BUILD_MAP', 105) # Number of dict entries (upto 255)
+name_op('LOAD_ATTR', 106) # Index in name list
+def_op('COMPARE_OP', 107) # Comparison operator
+hascompare.append(107)
+name_op('IMPORT_NAME', 108) # Index in name list
+name_op('IMPORT_FROM', 109) # Index in name list
jrel_op('JUMP_FORWARD', 110) # Number of bytes to skip
jabs_op('JUMP_IF_FALSE_OR_POP', 111) # Target byte offset from beginning of code
jabs_op('JUMP_IF_TRUE_OR_POP', 112) # ""