patch 8.2.4530: making comparison with null work changes legacy behavior
Problem: Making comparison with null work changes legacy behavior.
Solution: Only use the better comparison in Vim9 script. (closes #9910)
diff --git a/src/typval.c b/src/typval.c
index e89ba9e..53512c6 100644
--- a/src/typval.c
+++ b/src/typval.c
@@ -1381,7 +1381,7 @@
}
/*
- * Compare v:null/v:none with another type. Return TRUE if the value is NULL.
+ * Compare v:null with another type. Return TRUE if the value is NULL.
*/
int
typval_compare_null(typval_T *tv1, typval_T *tv2)
@@ -1417,6 +1417,9 @@
default: break;
}
}
+ if (!in_vim9script())
+ return FALSE; // backwards compatible
+
semsg(_(e_cannot_compare_str_with_str),
vartype_name(tv1->v_type), vartype_name(tv2->v_type));
return MAYBE;