From 8d5727273585524a38d4a663b61403a263f7cf3d Mon Sep 17 00:00:00 2001
From: Lingzhi Deng <lingzhi.deng@mongodb.com>
Date: Thu, 23 May 2019 21:10:14 -0400
Subject: SERVER-41008: Use timestampCmp for timestamp comparison in
 PrepareHelpers.awaitMajorityCommitted

---
 jstests/core/txns/libs/prepare_helpers.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/jstests/core/txns/libs/prepare_helpers.js b/jstests/core/txns/libs/prepare_helpers.js
index 605ca95164c..0f8f346a6bb 100644
--- a/jstests/core/txns/libs/prepare_helpers.js
+++ b/jstests/core/txns/libs/prepare_helpers.js
@@ -132,7 +132,8 @@ const PrepareHelpers = (function() {
         assert.soon(() => {
             const ts = assert.commandWorked(primary.adminCommand({replSetGetStatus: 1}))
                            .optimes.lastCommittedOpTime.ts;
-            if (ts >= timestamp) {
+            if (timestampCmp(ts, timestamp) >= 0) {
+                print(`Finished awaiting lastCommittedOpTime.ts, now at ${ts}`);
                 return true;
             } else {
                 print(`Awaiting lastCommittedOpTime.ts, now at ${ts}`);
-- 
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