From 2f1506822cc4d6ace5d6bfb45e384d60cc2ae3e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=96mer=20Sinan=20A=C4=9Facan?= <omersa@google.com>
Date: Sat, 9 Dec 2023 09:44:44 +0000
Subject: [PATCH] [dart2wasm] Skip synthetic mixin class names in type name
 list
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Reduces optimized binary size (with names section) of devtools from
10,322,431 to 10,153,197 bytes (-1.6%).

Change-Id: Ife9f803846a054cfbe3910008dc62d51d7a2c7bd
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/340564
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Ömer Ağacan <omersa@google.com>
---
 pkg/dart2wasm/lib/types.dart | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkg/dart2wasm/lib/types.dart b/pkg/dart2wasm/lib/types.dart
index f04302eef71..511e7c353a2 100644
--- a/pkg/dart2wasm/lib/types.dart
+++ b/pkg/dart2wasm/lib/types.dart
@@ -209,8 +209,12 @@ class Types {
     // class ID. If we ever change that logic, we will need to change this code.
     List<String> typeNames = [];
     for (ClassInfo classInfo in translator.classes) {
-      String className = classInfo.cls?.name ?? '';
-      typeNames.add(className);
+      Class? cls = classInfo.cls;
+      if (cls == null || cls.isAnonymousMixin) {
+        typeNames.add("");
+      } else {
+        typeNames.add(cls.name);
+      }
     }
     return typeNames;
   }