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-rw-r--r--dom/script/ScriptLoader.cpp4
1 files changed, 4 insertions, 0 deletions
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());