patch 8.2.2590: Vim9: default argument value may cause internal error

Problem:    Vim9: default argument value may cause internal error.
Solution:   Hide later function arguments when compiling the expression.
            (closes #7948)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2590,
 /**/
     2589,
 /**/