2 files changed, 10 insertions, 1 deletions
diff --git a/ipc/chromium/gtest/moz.build b/ipc/chromium/gtest/moz.build
index afa175c638..a1af974b16 100644
--- a/ipc/chromium/gtest/moz.build
+++ b/ipc/chromium/gtest/moz.build
@@ -8,9 +8,14 @@ Library("ipcchromiumtest")
 
 SOURCES += [
     "name_unittest.cc",
-    "ports_unittest.cc",
 ]
 
+# Bug 1837550 - Fails under TSAN
+if not CONFIG["MOZ_TSAN"]:
+    SOURCES += [
+        "ports_unittest.cc",
+    ]
+
 include("/ipc/chromium/chromium-config.mozbuild")
 
 FINAL_LIBRARY = "xul-gtest"
diff --git a/ipc/chromium/gtest/ports_unittest.cc b/ipc/chromium/gtest/ports_unittest.cc
index bfa8214799..705bab7edb 100644
--- a/ipc/chromium/gtest/ports_unittest.cc
+++ b/ipc/chromium/gtest/ports_unittest.cc
@@ -237,6 +237,10 @@ class TestNode : public NodeDelegate {
     }
   }
 
+  void ObserveRemoteNode(const NodeName& node) override {
+    DCHECK(node != node_name_);
+  }
+
   void ClosePortsInEvent(Event* event) {
     if (event->type() != Event::Type::kUserMessage) {
       return;