update an IR name

Co-authored-by: trocher <[email protected]>

vyper/builtins/functions.py

@@ -1890,7 +1890,7 @@ def _build_create_IR(self, expr, args, context, value, salt, code_offset, raw_ar
         # to evaluate memory safety.
         with scope_multi(
             (target, value, argslen, code_offset),
-            ("create_target", "create_value", "encoded_args_len", "code_ofst"),
+            ("create_target", "create_value", "encoded_args_len", "code_offset"),
         ) as (b1, (target, value, encoded_args_len, code_offset)), salt.cache_when_complex(
             "create_salt"
         ) as (