### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: dom/org/eclipse/jdt/core/dom/ASTConverter.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/ASTConverter.java,v
retrieving revision 1.270
diff -u -r1.270 ASTConverter.java
--- dom/org/eclipse/jdt/core/dom/ASTConverter.java	18 Mar 2010 17:32:57 -0000	1.270
+++ dom/org/eclipse/jdt/core/dom/ASTConverter.java	27 Mar 2010 02:24:19 -0000
@@ -1295,7 +1295,7 @@
 			}
 			compilationUnit.initCommentMapper(this.scanner);
 			return compilationUnit;
-		} catch(RuntimeException e) {
+		} catch(IllegalArgumentException e) {
 			StringBuffer message = new StringBuffer("Exception occurred during compilation unit conversion:");  //$NON-NLS-1$
 			String lineDelimiter = Util.findLineSeparator(source);
 			if (lineDelimiter == null) lineDelimiter = System.getProperty("line.separator");//$NON-NLS-1$