diff --git a/llvm/lib/Target/PIC16/PIC16.h b/llvm/lib/Target/PIC16/PIC16.h
index d22356d712dd..7940648928a7 100644
--- a/llvm/lib/Target/PIC16/PIC16.h
+++ b/llvm/lib/Target/PIC16/PIC16.h
@@ -151,6 +151,7 @@ namespace PIC16CC {
         return STATIC_LOCAL;
  
       assert (0 && "Could not determine Symbol's tag");
+      return PREFIX_SYMBOL; // Silence warning when assertions are turned off.
     }
 
     // addPrefix - add prefix symbol to a name if there isn't one already.