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-rw-r--r--py/runtime.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/py/runtime.c b/py/runtime.c
index 27e5bc13e..2f7cf1fa6 100644
--- a/py/runtime.c
+++ b/py/runtime.c
@@ -1081,6 +1081,10 @@ void mp_load_method_maybe(mp_obj_t obj, qstr attr, mp_obj_t *dest) {
dest[0] = MP_OBJ_NULL;
dest[1] = MP_OBJ_NULL;
+ // Note: the specific case of obj being an instance type is fast-path'ed in the VM
+ // for the MP_BC_LOAD_ATTR opcode. Instance types handle type->attr and look up directly
+ // in their member's map.
+
// get the type
const mp_obj_type_t *type = mp_obj_get_type(obj);