Merge pull request #269 from stefanpenner/fix-memory-leak

Fix Leak: TRY_CATCH_ERROR must release the error manually because things

Author: stefanpenner

lib/es6-promise/-internal.js

@@ -89,6 +89,7 @@ function handleMaybeThenable(promise, maybeThenable, then) {
   } else {
     if (then === GET_THEN_ERROR) {
       reject(promise, GET_THEN_ERROR.error);
+      GET_THEN_ERROR.error = null;
     } else if (then === undefined) {
       fulfill(promise, maybeThenable);
     } else if (isFunction(then)) {
@@ -198,7 +199,7 @@ function invokeCallback(settled, promise, callback, detail) {
     if (value === TRY_CATCH_ERROR) {
       failed = true;
       error = value.error;
-      value = null;
+      value.error = null;
     } else {
       succeeded = true;
     }