From fb57c7052f0129f2b313fecac9ef44ce3f92f9d0 Mon Sep 17 00:00:00 2001
From: Ryan Cavanaugh <RyanCavanaugh@users.noreply.github.com>
Date: Wed, 26 Aug 2020 08:37:47 -0700
Subject: [PATCH 1/3] Use a correct Object.entries polyfill

Fixes #40243
---
 src/compiler/core.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/compiler/core.ts b/src/compiler/core.ts
index 753af89b59015..62f6e3eec109c 100644
--- a/src/compiler/core.ts
+++ b/src/compiler/core.ts
@@ -1307,8 +1307,8 @@ namespace ts {
     const _entries = Object.entries ? Object.entries : <T>(obj: MapLike<T>) => {
         const keys = getOwnKeys(obj);
         const result: [string, T][] = Array(keys.length);
-        for (const key of keys) {
-            result.push([key, obj[key]]);
+        for (let i = 0; i < keys.length; i++) {
+            result[i] = [keys[i], obj[keys[i]]];
         }
         return result;
     };

From a9ab0a676d89804599ed26788cd79d8ed235f314 Mon Sep 17 00:00:00 2001
From: Ryan Cavanaugh <RyanCavanaugh@users.noreply.github.com>
Date: Thu, 27 Aug 2020 21:14:01 -0700
Subject: [PATCH 2/3] Update src/compiler/core.ts

Co-authored-by: Daniel Rosenwasser <DanielRosenwasser@users.noreply.github.com>
---
 src/compiler/core.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/core.ts b/src/compiler/core.ts
index 62f6e3eec109c..b565a076d9c56 100644
--- a/src/compiler/core.ts
+++ b/src/compiler/core.ts
@@ -1304,7 +1304,7 @@ namespace ts {
         return values;
     }
 
-    const _entries = Object.entries ? Object.entries : <T>(obj: MapLike<T>) => {
+    const _entries = Object.entries || <T>(obj: MapLike<T>) => {
         const keys = getOwnKeys(obj);
         const result: [string, T][] = Array(keys.length);
         for (let i = 0; i < keys.length; i++) {

From d11fef6faf5cde152ffe5ac2d935aa042d4784b6 Mon Sep 17 00:00:00 2001
From: Ryan Cavanaugh <RyanCavanaugh@users.noreply.github.com>
Date: Thu, 27 Aug 2020 21:18:34 -0700
Subject: [PATCH 3/3] Added parentheses, DANIEL.

---
 src/compiler/core.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/compiler/core.ts b/src/compiler/core.ts
index b565a076d9c56..c5bdaf50c5ebc 100644
--- a/src/compiler/core.ts
+++ b/src/compiler/core.ts
@@ -1304,14 +1304,14 @@ namespace ts {
         return values;
     }
 
-    const _entries = Object.entries || <T>(obj: MapLike<T>) => {
+    const _entries = Object.entries || (<T>(obj: MapLike<T>) => {
         const keys = getOwnKeys(obj);
         const result: [string, T][] = Array(keys.length);
         for (let i = 0; i < keys.length; i++) {
             result[i] = [keys[i], obj[keys[i]]];
         }
         return result;
-    };
+    });
 
     export function getEntries<T>(obj: MapLike<T>): [string, T][] {
         return obj ? _entries(obj) : [];