From d856fc33baf1a93feac8aa2369de1d139907bc4e Mon Sep 17 00:00:00 2001
From: Siva <a-siva@users.noreply.github.com>
Date: Thu, 12 Aug 2021 15:54:01 -0700
Subject: [PATCH] Enable Dart compressed pointers for 64-bit mobile targets
 (#27975)

* Enable Dart compressed pointers for 64-bit mobile targets

* Fix.

* Address code review comments.
---
 tools/gn | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/gn b/tools/gn
index 214cc8d02bb6d..4392174eb4739 100755
--- a/tools/gn
+++ b/tools/gn
@@ -380,6 +380,10 @@ def to_gn_args(args):
     # on Android.
     gn_args['bssl_use_clang_integrated_as'] = True
 
+    # Enable pointer compression on 64-bit mobile targets.
+    if args.target_os in ['android', 'ios'] and gn_args['target_cpu'] in ['x64' , 'arm64']:
+      gn_args['dart_use_compressed_pointers'] = True
+
     return gn_args
 
 def parse_args(args):