2010-04-27 Andrew Haley <aph@redhat.com>

        * java/util/concurrent/CopyOnWriteArrayList.java: Fix for empty
        list.



git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@158790 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 6 insertions, 1 deletions

diff --git a/libjava/classpath/java/util/concurrent/CopyOnWriteArrayList.java b/libjava/classpath/java/util/concurrent/CopyOnWriteArrayList.java
index 6e4fb9a8ac9..02071829269 100644
--- a/libjava/classpath/java/util/concurrent/CopyOnWriteArrayList.java
+++ b/libjava/classpath/java/util/concurrent/CopyOnWriteArrayList.java
@@ -452,7 +452,12 @@ public class CopyOnWriteArrayList<E>
   public synchronized boolean remove(Object element)
   {
     E[] snapshot = this.data;
-    E[] newData = (E[]) new Object[snapshot.length - 1];
+    int len = snapshot.length;
+
+    if (len == 0)
+      return false;
+
+    E[] newData = (E[]) new Object[len - 1];
     
     // search the element to remove while filling the backup array
     // this way we can run this method in O(n)