Index: trunk/build.xml
===================================================================
--- trunk/build.xml	(revision 10703)
+++ trunk/build.xml	(revision 10704)
@@ -265,5 +265,5 @@
             <!-- Undocumented argument to ignore "Sun internal proprietary API" warning, see http://stackoverflow.com/a/13862308/2257172 -->
             <compilerarg value="-XDignore.symbol.file"/>
-            <compilerarg value="-Xep:ReferenceEquality:OFF"/>
+            <compilerarg value="-Xep:ReferenceEquality:OFF" compiler="com.google.errorprone.ErrorProneAntCompilerAdapter"/>
             <compilerarg line="-Xmaxwarns 1000"/>
         </javac>
@@ -288,5 +288,5 @@
             <!-- Undocumented argument to ignore "Sun internal proprietary API" warning, see http://stackoverflow.com/a/13862308/2257172 -->
             <compilerarg value="-XDignore.symbol.file"/>
-            <compilerarg value="-Xep:ReferenceEquality:OFF"/>
+            <compilerarg value="-Xep:ReferenceEquality:OFF" compiler="com.google.errorprone.ErrorProneAntCompilerAdapter"/>
             <compilerarg line="-Xmaxwarns 1000"/>
         </javac>