Merge pull request #85123 from hnrklssn/swiftify-obj-c2

[ClangImporter] Attach _SwiftifyImportProtocol to imported protocols with bounds attributes

Author: hnrklssn

lib/ClangImporter/ImportDecl.cpp

@@ -5847,6 +5847,8 @@ namespace {
 
       result->setMemberLoader(&Impl, 0);
 
+      Impl.swiftifyProtocol(result);
+
       return result;
     }
 

lib/ClangImporter/ImporterImpl.h

@@ -1828,6 +1828,7 @@ class LLVM_LIBRARY_VISIBILITY ClangImporter::Implementation
   void addOptionSetTypealiases(NominalTypeDecl *nominal);
 
   void swiftify(AbstractFunctionDecl *MappedDecl);
+  void swiftifyProtocol(NominalTypeDecl *MappedDecl);
 
   /// Find the lookup table that corresponds to the given Clang module.
   ///