Update specialize.py

Author: BobTheBuidler

mypyc/irbuild/specialize.py

@@ -653,53 +653,6 @@ def translate_isinstance(builder: IRBuilder, expr: CallExpr, callee: RefExpr) ->
             obj = builder.accept(obj_expr, can_borrow=can_borrow)
             return builder.builder.isinstance_helper(obj, irs, expr.line)
 
-    if isinstance(type_expr, TupleExpr):
-        if not type_expr.items:
-            # we can compile this case to a noop
-            return builder.false()
-
-        nodes: list[str] = []
-        for item in type_expr.items:
-            if not isinstance(item, RefExpr):
-                return None
-            if item.node is None:
-                return None
-            if item.node.fullname not in nodes:
-                nodes.append(item.node.fullname)
-
-        descs = [isinstance_primitives.get(fullname) for fullname in nodes]
-
-        obj = builder.accept(expr.args[0])
-
-        retval = Register(bool_rprimitive)
-        pass_block = BasicBlock()
-        fail_block = BasicBlock()
-        exit_block = BasicBlock()
-
-        # Chain the checks: if any succeed, jump to pass_block; else, continue
-        for i, desc in enumerate(descs):
-            is_last = i == len(descs) - 1
-            next_block = fail_block if is_last else BasicBlock()
-            builder.add_bool_branch(
-                builder.primitive_op(desc, [obj], expr.line), pass_block, next_block
-            )
-            if not is_last:
-                builder.activate_block(next_block)
-
-        # If any check passed
-        builder.activate_block(pass_block)
-        builder.assign(retval, builder.true(), expr.line)
-        builder.goto(exit_block)
-
-        # If all checks failed
-        builder.activate_block(fail_block)
-        builder.assign(retval, builder.false(), expr.line)
-        builder.goto(exit_block)
-
-        # Return the result
-        builder.activate_block(exit_block)
-        return retval
-
     if isinstance(type_expr, RefExpr):
         if node := type_expr.node:
             if desc := isinstance_primitives.get(node.fullname):