From c340b2d05241330674697705a5e4b00c7ac1443b Mon Sep 17 00:00:00 2001
From: James Bunton <jbunton@atlassian.com>
Date: Fri, 30 Oct 2015 10:10:59 +1100
Subject: [PATCH] Augment the last error instead of generating a new one

---
 q.js           | 7 +++----
 spec/q-spec.js | 6 ++++--
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/q.js b/q.js
index 46f0f7e7..71e2552c 100644
--- a/q.js
+++ b/q.js
@@ -1625,10 +1625,9 @@ function any(promises) {
         function onRejected(err) {
             pendingCount--;
             if (pendingCount === 0) {
-                deferred.reject(new Error(
-                    "Q can't get fulfillment value from any promise, all " +
-                    "promises were rejected. Last error: " + err
-                ));
+                err.message = ("Q can't get fulfillment value from any promise, all " +
+                    "promises were rejected. Last error message: " + err.message);
+                deferred.reject(err);
             }
         }
         function onProgress(progress) {
diff --git a/spec/q-spec.js b/spec/q-spec.js
index 1ec6880c..cd218ed0 100644
--- a/spec/q-spec.js
+++ b/spec/q-spec.js
@@ -1206,19 +1206,21 @@ describe("any", function() {
 
     function testReject(promises, deferreds) {
         var promise = Q.any(promises);
+        var expectedError = new Error('Rejected');
 
         for (var index = 0; index < deferreds.length; index++) {
             var deferred = deferreds[index];
             (function() {
-                deferred.reject(new Error('Rejected'));
+                deferred.reject(expectedError);
             })();
         }
 
         return Q.delay(250)
           .then(function() {
               expect(promise.isRejected()).toBe(true);
+              expect(promise.inspect().reason).toBe(expectedError);
               expect(promise.inspect().reason.message)
-              .toBe("Q can't get fulfillment value from any promise, all promises were rejected. Last error: Error: Rejected");
+              .toBe("Q can't get fulfillment value from any promise, all promises were rejected. Last error message: Rejected");
           })
           .timeout(1000);
     }