--- jsr166/src/jdk8/java/util/concurrent/CompletableFuture.java	2016/04/05 22:53:24	1.4
+++ jsr166/src/jdk8/java/util/concurrent/CompletableFuture.java	2016/04/08 10:36:45	1.5
@@ -1721,7 +1721,7 @@ public class CompletableFuture<T> implem
 
         public final Void getRawResult() { return null; }
         public final void setRawResult(Void v) {}
-        public final boolean exec() { run(); return true; }
+        public final boolean exec() { run(); return false; }
 
         public void run() {
             CompletableFuture<T> d; Supplier<? extends T> f;
@@ -1757,7 +1757,7 @@ public class CompletableFuture<T> implem
 
         public final Void getRawResult() { return null; }
         public final void setRawResult(Void v) {}
-        public final boolean exec() { run(); return true; }
+        public final boolean exec() { run(); return false; }
 
         public void run() {
             CompletableFuture<Void> d; Runnable f;