assert.patch


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--- a/xpcom/base/nsCOMPtr.h	2023-06-29 13:34:21.000000000 -0400
+++ b/xpcom/base/nsCOMPtr.h	2023-07-06 11:03:59.049048830 -0400
@@ -815,10 +815,6 @@
                                  const nsIID& aIID) {
   // Allow QIing to nsISupports from nsISupports as a special-case, since
   // SameCOMIdentity uses it.
-  static_assert(
-      std::is_same_v<T, nsISupports> ||
-          !(std::is_same_v<T, U> || std::is_base_of<T, U>::value),
-      "don't use do_QueryInterface for compile-time-determinable casts");
   void* newRawPtr;
   if (NS_FAILED(aQI(aIID, &newRawPtr))) {
     newRawPtr = nullptr;