Add support for disassembling LOAD_FAST_BORROW_LOAD_FAST_BORROW

Author: mpage

Lib/dis.py

@@ -48,6 +48,7 @@
 LOAD_COMMON_CONSTANT = opmap['LOAD_COMMON_CONSTANT']
 LOAD_SPECIAL = opmap['LOAD_SPECIAL']
 LOAD_FAST_LOAD_FAST = opmap['LOAD_FAST_LOAD_FAST']
+LOAD_FAST_BORROW_LOAD_FAST_BORROW = opmap['LOAD_FAST_BORROW_LOAD_FAST_BORROW']
 STORE_FAST_LOAD_FAST = opmap['STORE_FAST_LOAD_FAST']
 STORE_FAST_STORE_FAST = opmap['STORE_FAST_STORE_FAST']
 IS_OP = opmap['IS_OP']
@@ -598,7 +599,7 @@ def get_argval_argrepr(self, op, arg, offset):
                 lbl = self.get_label_for_offset(argval)
                 assert lbl is not None
                 argrepr = f"to L{lbl}"
-            elif deop in (LOAD_FAST_LOAD_FAST, STORE_FAST_LOAD_FAST, STORE_FAST_STORE_FAST):
+            elif deop in (LOAD_FAST_LOAD_FAST, LOAD_FAST_BORROW_LOAD_FAST_BORROW, STORE_FAST_LOAD_FAST, STORE_FAST_STORE_FAST):
                 arg1 = arg >> 4
                 arg2 = arg & 15
                 val1, argrepr1 = _get_name_info(arg1, self.varname_from_oparg)