diff --git a/include/llvm/Target/TargetFrameInfo.h b/include/llvm/Target/TargetFrameInfo.h
index 6097d8c8fc6..c302096bf1d 100644
--- a/include/llvm/Target/TargetFrameInfo.h
+++ b/include/llvm/Target/TargetFrameInfo.h
@@ -41,6 +41,8 @@ public:
   TargetFrameInfo(StackDirection D, unsigned StackAl, int LAO)
     : StackDir(D), StackAlignment(StackAl), LocalAreaOffset(LAO) {}
 
+  virtual ~TargetFrameInfo();
+
   // These methods return information that describes the abstract stack layout
   // of the target machine.
 
diff --git a/lib/Target/TargetFrameInfo.cpp b/lib/Target/TargetFrameInfo.cpp
index 7255b3254f8..f54e042df9d 100644
--- a/lib/Target/TargetFrameInfo.cpp
+++ b/lib/Target/TargetFrameInfo.cpp
@@ -16,6 +16,10 @@
 
 using namespace llvm;
 
+TargetFrameInfo::~TargetFrameInfo() 
+{
+}
+
 //===--------------------------------------------------------------------===//
 // These methods provide details of the stack frame used by Sparc, thus they
 // are Sparc specific.