--- a/langtools/src/share/classes/com/sun/tools/javac/util/MandatoryWarningHandler.java	Wed Jul 05 16:43:43 2017 +0200
+++ b/langtools/src/share/classes/com/sun/tools/javac/util/MandatoryWarningHandler.java	Wed Nov 12 14:17:03 2008 +0000
@@ -118,7 +118,7 @@
      * Report a mandatory warning.
      */
     public void report(DiagnosticPosition pos, String msg, Object... args) {
-        JavaFileObject currentSource = log.currentSource();
+        JavaFileObject currentSource = log.currentSourceFile();
 
         if (verbose) {
             if (sourcesWithReportedWarnings == null)