From 62e155e8716a9f9ba1de3ab340795ad9a1049468 Mon Sep 17 00:00:00 2001
From: CK <ckyycc@users.noreply.github.com>
Date: Mon, 31 Dec 2018 04:35:51 -0800
Subject: [PATCH] Fix RangeError exception when merging too many labels (#5936)

Fix "RangeError: Maximum call stack size exceeded" exception when calling `Array.push.apply` with too many items (>125000).
---
 src/scales/scale.time.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/scales/scale.time.js b/src/scales/scale.time.js
index a2892bfd6cd..099e5717e9a 100644
--- a/src/scales/scale.time.js
+++ b/src/scales/scale.time.js
@@ -554,7 +554,9 @@ module.exports = function() {
 							datasets[i][j] = timestamp;
 						}
 					} else {
-						timestamps.push.apply(timestamps, labels);
+						for (j = 0, jlen = labels.length; j < jlen; ++j) {
+							timestamps.push(labels[j]);
+						}
 						datasets[i] = labels.slice(0);
 					}
 				} else {