From e70d3ea1df9e14679310b97ed1dca18bb6522681 Mon Sep 17 00:00:00 2001
From: Jason Simmons <jason-simmons@users.noreply.github.com>
Date: Fri, 10 Feb 2017 12:28:41 -0800
Subject: [PATCH] Enable some new Dart VM features (#3408)

Fixes https://github.com/flutter/flutter/issues/7579
---
 runtime/dart_init.cc | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/runtime/dart_init.cc b/runtime/dart_init.cc
index fee197a60..0cfe5db5c 100644
--- a/runtime/dart_init.cc
+++ b/runtime/dart_init.cc
@@ -78,18 +78,18 @@ const char kSnapshotAssetKey[] = "snapshot_blob.bin";
 
 namespace {
 
-static const char* kDartMirrorsArgs[] = {
+// Arguments passed to the Dart VM in all configurations.
+static const char* kDartLanguageArgs[] = {
     "--enable_mirrors=false",
+    "--background_compilation",
+    "--await_is_keyword",
+    "--assert_initializer",
 };
 
 static const char* kDartPrecompilationArgs[] = {
     "--precompilation",
 };
 
-static const char* kDartBackgroundCompilationArgs[] = {
-    "--background_compilation",
-};
-
 static const char* kDartWriteProtectCodeArgs[] FTL_ALLOW_UNUSED_TYPE = {
     "--no_write_protect_code",
 };
@@ -608,9 +608,7 @@ void InitDartVM() {
     args.push_back(profiler_flag);
   }
 
-  PushBackAll(&args, kDartMirrorsArgs, arraysize(kDartMirrorsArgs));
-  PushBackAll(&args, kDartBackgroundCompilationArgs,
-              arraysize(kDartBackgroundCompilationArgs));
+  PushBackAll(&args, kDartLanguageArgs, arraysize(kDartLanguageArgs));
 
   if (IsRunningPrecompiledCode()) {
     PushBackAll(&args, kDartPrecompilationArgs,
-- 
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