--- jsr166/build.xml	2013/02/01 18:31:17	1.131
+++ jsr166/build.xml	2013/02/03 02:25:01	1.134
@@ -175,6 +175,7 @@ As of 2013-02, the very latest lambda 8
     <attribute name="workdir"/>
     <attribute name="classes"/>
     <attribute name="jvmflags" default=""/>
+    <element name="javac-elements" optional="true"/>
     <sequential>
 
     <mkdir dir="@{workdir}/tck-classes"/>
@@ -196,6 +197,7 @@ As of 2013-02, the very latest lambda 8
       <compilerarg value="-XDignore.symbol.file=true"/>
       <compilerarg value="-Xlint:all,-unchecked,-rawtypes,-serial,-deprecation"/>
       <compilerarg line="${build.args}"/>
+      <javac-elements/>
 
     </javac>
 
@@ -247,6 +249,7 @@ As of 2013-02, the very latest lambda 8
            fork="true">
 
       <include name="**/*.java"/>
+      <compilerarg value="-Xprefer:source"/>
       <compilerarg value="-XDignore.symbol.file=true"/>
       <compilerarg value="-Xlint:all"/>
       <compilerarg line="${build.args}"/>
@@ -588,6 +591,7 @@ As of 2013-02, the very latest lambda 8
            fork="true">
 
       <include name="**/*.java"/>
+      <compilerarg value="-Xprefer:source"/>
       <compilerarg value="-XDignore.symbol.file=true"/>
       <compilerarg value="-Xlint:all"/>
       <compilerarg line="${build.args}"/>
@@ -614,7 +618,12 @@ As of 2013-02, the very latest lambda 8
     <run-tck-tests
       target="7"
       workdir="${build.4jdk7.dir}"
-      classes="${4jdk7product.jar}"/>
+      classes="${4jdk7product.jar}">
+      <javac-elements>
+        <!-- JDK8+ test classes -->
+        <exclude name="StampedLockTest.java"/>
+      </javac-elements>
+    </run-tck-tests>
   </target>