[llvm] [profcheck] Require `unknown` metadata have an origin parameter (PR #157594)

[Mircea Trofin via llvm-commits]

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@@ -1495,7 +1495,7 @@ void DevirtModule::tryICallBranchFunnel(
 
   if (!JT->getEntryCount().has_value()) {
     // FIXME: we could pass through thinlto the necessary information.
-    setExplicitlyUnknownFunctionEntryCount(*JT);
+    setExplicitlyUnknownFunctionEntryCount(*JT, DEBUG_TYPE);
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mtrofin wrote:

They can add whatever string they want to instead (or this will be when we add DEBUG_TYPE to them 😄 ) 

https://github.com/llvm/llvm-project/pull/157594