PASS: Apply ImpliedDoLoop before ClassConstructor

Author: ubaidsk

src/libasr/pass/pass_manager.h

@@ -189,8 +189,8 @@ namespace LCompilers {
                 "nested_vars",
                 "global_stmts",
                 "init_expr",
-                "class_constructor",
                 "implied_do_loops",
+                "class_constructor",
                 "pass_list_expr",
                 "arr_slice",
                 "subroutine_from_function",
@@ -212,8 +212,8 @@ namespace LCompilers {
             _with_optimization_passes = {
                 "global_stmts",
                 "init_expr",
-                "class_constructor",
                 "implied_do_loops",
+                "class_constructor",
                 "pass_array_by_data",
                 "arr_slice",
                 "subroutine_from_function",