Fix returned value for failed ml_matches.

maleadt · maleadt · commit fa82e4cf7747 · 2023-02-24T15:57:08.000+01:00
diff --git a/src/gf.c b/src/gf.c
@@ -3143,7 +3143,7 @@ static jl_value_t *ml_matches(jl_methtable_t *mt,
                               size_t *min_valid, size_t *max_valid, int *ambig)
 {
     if (world > jl_atomic_load_acquire(&jl_world_counter))
-        return jl_nothing; // the future is not enumerable
+        return (jl_value_t*)jl_an_empty_vec_any; // the future is not enumerable
     int has_ambiguity = 0;
     jl_value_t *unw = jl_unwrap_unionall((jl_value_t*)type);
     assert(jl_is_datatype(unw));

Original file line number	Diff line number	Diff line change
`@@ -3143,7 +3143,7 @@ static jl_value_t ml_matches(jl_methtable_t mt,`
`3143`	`3143`	`size_t min_valid, size_t max_valid, int *ambig)`
`3144`	`3144`	`{`
`3145`	`3145`	`if (world > jl_atomic_load_acquire(&jl_world_counter))`
`3146`		`- return jl_nothing; // the future is not enumerable`
	`3146`	`+ return (jl_value_t*)jl_an_empty_vec_any; // the future is not enumerable`
`3147`	`3147`	`int has_ambiguity = 0;`
`3148`	`3148`	`jl_value_t unw = jl_unwrap_unionall((jl_value_t)type);`
`3149`	`3149`	`assert(jl_is_datatype(unw));`