checker: check fn call argument mismatch for array struct type (#18975)

vlib/v/checker/check_types.v

@@ -350,7 +350,8 @@ fn (mut c Checker) check_basic(got ast.Type, expected ast.Type) bool {
 		return true
 	}
 	// TODO: use sym so it can be absorbed into below [.voidptr, .any] logic
-	if expected.idx() == ast.array_type_idx || got.idx() == ast.array_type_idx {
+	if (expected.idx() == ast.array_type_idx && c.table.final_sym(got).kind == .array)
+		|| (got.idx() == ast.array_type_idx && c.table.final_sym(expected).kind == .array) {
 		return true
 	}
 	got_sym, exp_sym := c.table.sym(got), c.table.sym(expected)

vlib/v/checker/tests/fn_call_arg_array_mismatch_err.out

@@ -0,0 +1,7 @@
+vlib/v/checker/tests/fn_call_arg_array_mismatch_err.vv:9:36: error: cannot use `string` as `array` in argument 2 to `os.write_file_array`
+    7 |
+    8 | fn main() {
+    9 |     os.write_file_array(service_path, service_file) or {
+      |                                       ~~~~~~~~~~~~
+   10 |         eprintln('Error: write file service')
+   11 |         exit(1)

vlib/v/checker/tests/fn_call_arg_array_mismatch_err.vv

@@ -0,0 +1,13 @@
+import os
+
+const (
+	service_file = '[Unit]'
+	service_path = 'dockerman.service'
+)
+
+fn main() {
+	os.write_file_array(service_path, service_file) or {
+		eprintln('Error: write file service')
+		exit(1)
+	}
+}