py/objstr: Optimise mp_obj_new_str_from_vstr for known-safe strings.

The new `mp_obj_new_str_from_utf8_vstr` can be used when you know you
already have a unicode-safe string.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/py/modbuiltins.c b/py/modbuiltins.c
index 2459edda1..f74db95cf 100644
--- a/py/modbuiltins.c
+++ b/py/modbuiltins.c
@@ -467,7 +467,7 @@ STATIC mp_obj_t mp_builtin_repr(mp_obj_t o_in) {
     mp_print_t print;
     vstr_init_print(&vstr, 16, &print);
     mp_obj_print_helper(&print, o_in, PRINT_REPR);
-    return mp_obj_new_str_from_vstr(&vstr);
+    return mp_obj_new_str_from_utf8_vstr(&vstr);
 }
 MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_repr_obj, mp_builtin_repr);