Index: dom/org/eclipse/jdt/core/dom/CompilationUnit.java
===================================================================
RCS file: /home/eclipse/org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/CompilationUnit.java,v
retrieving revision 1.67
diff -u -r1.67 CompilationUnit.java
--- dom/org/eclipse/jdt/core/dom/CompilationUnit.java	15 Jun 2005 19:06:11 -0000	1.67
+++ dom/org/eclipse/jdt/core/dom/CompilationUnit.java	21 Sep 2005 23:49:39 -0000
@@ -161,6 +161,11 @@
 	private static final IProblem[] EMPTY_PROBLEMS = new IProblem[0];
 
 	/**
+	 * Canonical empty list of line ends.
+	 */
+	private static final int[] EMPTY_LINE_ENDS = new int[0];
+
+	/**
 	 * Messages reported by the compiler during parsing or name resolution.
 	 */
 	private Message[] messages;
@@ -195,13 +200,10 @@
 	 * @param lineEndTable the line end table
 	 */
 	void setLineEndTable(int[] lineEndTable) {
-		if (lineEndTable == null) {
-			throw new NullPointerException();
-		}
 		// alternate root is *not* considered a structural property
 		// but we protect them nevertheless
 		checkModifiable();
-		this.lineEndTable = lineEndTable;
+		this.lineEndTable = lineEndTable == null ? EMPTY_LINE_ENDS : lineEndTable;
 	}
 
 	/**