--- a/langtools/src/share/classes/com/sun/tools/javac/comp/AttrContext.java	Wed Jul 05 19:44:08 2017 +0200
+++ b/langtools/src/share/classes/com/sun/tools/javac/comp/AttrContext.java	Fri Jun 06 16:00:59 2014 -0400
@@ -58,6 +58,11 @@
      */
     boolean isSerializable = false;
 
+    /**
+     * Are we doing speculative attribution?
+     */
+    boolean isSpeculative = false;
+
     /** Are arguments to current function applications boxed into an array for varargs?
      */
     Resolve.MethodResolutionPhase pendingResolutionPhase = null;
@@ -94,6 +99,7 @@
         info.returnResult = returnResult;
         info.defaultSuperCallSite = defaultSuperCallSite;
         info.isSerializable = isSerializable;
+        info.isSpeculative = isSpeculative;
         return info;
     }