8043605: Enable history for empty property maps

Reviewed-by: jlaskey, sundar

8043605: Enable history for empty property maps
Reviewed-by: jlaskey, sundar
d37203db · attila · 6cce3a0d · d37203db
隐藏空白更改
内联并排

Showing with 4 addition and 6 deletion

nashorn/src/jdk/nashorn/internal/runtime/PropertyMap.java nashorn/src/jdk/nashorn/internal/runtime/PropertyMap.java +4 -6

未找到文件。
--- a/nashorn/src/jdk/nashorn/internal/runtime/PropertyMap.java
+++ b/nashorn/src/jdk/nashorn/internal/runtime/PropertyMap.java
@@ -651,13 +651,11 @@ public final class PropertyMap implements Iterable<Object> {
     * @param newMap   Modified {@link PropertyMap}.
     */
    private void addToHistory(final Property property, final PropertyMap newMap) {
-        if (!properties.isEmpty()) {
-            if (history == null) {
-                history = new WeakHashMap<>();
-            }
-
-            history.put(property, new SoftReference<>(newMap));
+        if (history == null) {
+            history = new WeakHashMap<>();
        }
+
+        history.put(property, new SoftReference<>(newMap));
    }

    /**