ast: fix const map init order (fix #23255) (#23256)

vlib/v/ast/table.v

@@ -2552,6 +2552,9 @@ pub fn (t &Table) dependent_names_in_expr(expr Expr) []string {
 			names << t.dependent_names_in_expr(expr.right)
 		}
 		MapInit {
+			for key in expr.keys {
+				names << t.dependent_names_in_expr(key)
+			}
 			for val in expr.vals {
 				names << t.dependent_names_in_expr(val)
 			}

vlib/v/tests/consts/const_map_init_order_test.v

@@ -0,0 +1,26 @@
+const bit = f64(1)
+const nibble = bit * 4
+const bytes = bit * 8
+const kb = bytes * 1000
+const mb = kb * 1000
+
+const units_map = {
+	bit:    'bit'
+	nibble: 'nibble'
+	bytes:  'byte'
+	kb:     'kB'
+	mb:     'MB'
+}
+
+fn test_const_map_init_order() {
+	println(units_map.len)
+	println(units_map)
+	assert units_map.len == 5
+	assert units_map == {
+		1.0:    'bit'
+		4.0:    'nibble'
+		8.0:    'byte'
+		8000.0: 'kB'
+		8.e+06: 'MB'
+	}
+}