From ab0501702637f3448ec16a188a050e5b9f688787 Mon Sep 17 00:00:00 2001
From: Moonchild <moonchild@palemoon.org>
Date: Wed, 1 Jul 2020 21:12:49 +0000
Subject: Issue #618 - Add clarifying code comments.

---
 dom/script/ScriptLoader.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'dom/script/ScriptLoader.cpp')

diff --git a/dom/script/ScriptLoader.cpp b/dom/script/ScriptLoader.cpp
index ffbe37f28..7aca04da5 100644
--- a/dom/script/ScriptLoader.cpp
+++ b/dom/script/ScriptLoader.cpp
@@ -420,6 +420,10 @@ ScriptLoader::SetModuleFetchFinishedAndResumeWaitingRequests(ModuleLoadRequest *
 {
   // Update module map with the result of fetching a single module script.  The
   // module script pointer is nullptr on error.
+  //
+  // If any requests for the same URL are waiting on this one to complete, they
+  // will have ModuleLoaded or LoadFailed on them when the promise is
+  // resolved/rejected. This is set up in StartLoad.
 
   MOZ_ASSERT(!aRequest->IsReadyToRun());
 
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