revert part of "misc: sync with upstream"

Author: waterlens

hkmc2/shared/src/test/mlscript/llir/Classes.mls

@@ -26,23 +26,23 @@ fun main() =
 main()
 //│ LLIR:
 //│   class Base() {
-//│     def get$749() =
+//│     def get$596() =
 //│       1
 //│   }
 //│   class Derived() extends Base {
-//│     def get$750() =
+//│     def get$597() =
 //│       2
 //│   }
-//│   def main$752() =
-//│     let x$773 = Derived$758() in
-//│     let x$774 = Base.get$749(x$773) in
-//│     let x$775 = Derived.get$750(x$773) in
-//│     let x$776 = *(x$774,x$775) in
-//│     x$776
-//│   def entry$778() =
-//│     let* (x$777) = main() in
-//│     x$777
-//│   entry = entry$778
+//│   def main$599() =
+//│     let x$620 = Derived$605() in
+//│     let x$621 = Base.get$596(x$620) in
+//│     let x$622 = Derived.get$597(x$620) in
+//│     let x$623 = *(x$621,x$622) in
+//│     x$623
+//│   def entry$625() =
+//│     let* (x$624) = main() in
+//│     x$624
+//│   entry = entry$625
 //│ 
 //│ Interpreted:
 //│ 4