diff --git a/lib/CodeGen/AsmPrinter/DwarfPrinter.h b/lib/CodeGen/AsmPrinter/DwarfPrinter.h
index 19d08e2..69d9c27 100644
--- a/lib/CodeGen/AsmPrinter/DwarfPrinter.h
+++ b/lib/CodeGen/AsmPrinter/DwarfPrinter.h
@@ -33,6 +33,8 @@
 
 class DwarfPrinter {
 protected:
+  ~DwarfPrinter() {}
+
   //===-------------------------------------------------------------==---===//
   // Core attributes used by the DWARF printer.
   //