[CIR][cir-link] Add stubs for UnnamedAddr

Author: Jezurko

clang/lib/CIR/Interfaces/CIRLinkerInterface.cpp

@@ -138,6 +138,15 @@ class CIRSymbolLinkerInterface
   }
 
   static unsigned getBitWidth(Operation *op) { llvm_unreachable("NYI"); }
+
+  // FIXME: CIR does not yet have UnnamedAddr attribute
+  static UnnamedAddr getUnnamedAddr(Operation */* op*/) {
+      return UnnamedAddr::Global;
+  }
+
+  // FIXME: CIR does not yet have UnnamedAddr attribute
+  static void setUnnamedAddr(Operation */* op*/, UnnamedAddr addr) {}
+
 };
 
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