Version 2.18.0-141.0.dev

Merge commit '21b690a9ce61ffd635a9f82dbb864602c497df76' into 'dev'
diff --git a/pkg/dev_compiler/lib/src/kernel/target.dart b/pkg/dev_compiler/lib/src/kernel/target.dart
index bce2385..9bddfc7 100644
--- a/pkg/dev_compiler/lib/src/kernel/target.dart
+++ b/pkg/dev_compiler/lib/src/kernel/target.dart
@@ -57,6 +57,7 @@
   @override
   List<String> get extraRequiredLibraries => const [
         'dart:_runtime',
+        'dart:_dart2js_runtime_metrics',
         'dart:_debugger',
         'dart:_foreign_helper',
         'dart:_interceptors',
diff --git a/tools/VERSION b/tools/VERSION
index dd9f35e..2157b84 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -27,5 +27,5 @@
 MAJOR 2
 MINOR 18
 PATCH 0
-PRERELEASE 140
+PRERELEASE 141
 PRERELEASE_PATCH 0
\ No newline at end of file