Merge pull request #62185 from xymus/improve-rmodule-loading

Improve `-Rmodule-loading` to show both the path to the source and to the cached file actually loaded

lib/Serialization/ModuleFile.h

@@ -712,6 +712,10 @@ public:
     return Core->ModuleInputBuffer->getBufferIdentifier();
   }
 
+  StringRef getModuleLoadedFilename() const {
+    return Core->ModuleInputBuffer->getBufferIdentifier();
+  }
+
   StringRef getTargetTriple() const {
     return Core->TargetTriple;
   }