diff -r aceae9ceebbe -r c2d9303c3477 test/tools/javac/api/T6306137.java
--- a/test/tools/javac/api/T6306137.java	Tue Jun 25 20:08:52 2013 +0400
+++ b/test/tools/javac/api/T6306137.java	Wed Jun 26 09:54:46 2013 -0700
@@ -31,8 +31,14 @@
  */
 
 import java.io.File;
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 import javax.tools.*;
+import static java.nio.file.StandardOpenOption.*;
 
 public class T6306137 {
     boolean error;
@@ -40,8 +46,9 @@
     final JavaCompiler compiler;
     Iterable<? extends JavaFileObject> files;
     DiagnosticListener<JavaFileObject> dl;
+    final File testFile = new File("Utf8.java");
 
-    T6306137() {
+    T6306137() throws IOException {
         dl = new DiagnosticListener<JavaFileObject>() {
                 public void report(Diagnostic<? extends JavaFileObject> message) {
                     if (message.getKind() == Diagnostic.Kind.ERROR)
@@ -56,11 +63,17 @@
         };
         compiler = ToolProvider.getSystemJavaCompiler();
         fm = compiler.getStandardFileManager(dl, null, null);
-        String srcdir = System.getProperty("test.src");
         files =
-            fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(srcdir, "T6306137.java")));
+            fm.getJavaFileObjectsFromFiles(Arrays.asList(testFile));
+        createTestFile();
     }
-
+    final void createTestFile() throws IOException {
+        List<String> scratch = new ArrayList<>();
+        scratch.add("// @author Peter von der Ah" + (char)0xe9);
+        scratch.add("class Utf8{}");
+        Files.write(testFile.toPath(), scratch, Charset.forName("UTF-8"),
+                CREATE, TRUNCATE_EXISTING);
+    }
     void test(String encoding, boolean good) {
         error = false;
         Iterable<String> args = Arrays.asList("-source", "6", "-encoding", encoding, "-d", ".");
@@ -74,7 +87,7 @@
         }
     }
 
-    public static void main(String[] args) {
+    public static void main(String[] args) throws IOException {
         T6306137 self = new T6306137();
         self.test("utf-8", true);
         self.test("ascii", false);