From c9c1068ce4e5f2a5de32aefa65fa91d6d01d04c5 Mon Sep 17 00:00:00 2001
From: Jason Simmons <jason-simmons@users.noreply.github.com>
Date: Wed, 27 Jun 2018 18:41:32 -0700
Subject: [PATCH] Filter invalid characters in the terminal input stream
 (#18892)

Fixes https://github.com/flutter/flutter/issues/18007
---
 packages/flutter_tools/lib/src/base/terminal.dart | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/flutter_tools/lib/src/base/terminal.dart b/packages/flutter_tools/lib/src/base/terminal.dart
index 03d7d040d74..468c16fe7e3 100644
--- a/packages/flutter_tools/lib/src/base/terminal.dart
+++ b/packages/flutter_tools/lib/src/base/terminal.dart
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 import 'dart:async';
-import 'dart:convert' show ascii;
+import 'dart:convert' show AsciiDecoder;
 
 import 'package:quiver/strings.dart';
 
@@ -87,7 +87,7 @@ class AnsiTerminal {
   ///
   /// Useful when the console is in [singleCharMode].
   Stream<String> get onCharInput {
-    _broadcastStdInString ??= io.stdin.transform(ascii.decoder).asBroadcastStream();
+    _broadcastStdInString ??= io.stdin.transform(const AsciiDecoder(allowInvalid: true)).asBroadcastStream();
     return _broadcastStdInString;
   }