diff --git a/include/llvm/iTerminators.h b/include/llvm/iTerminators.h
index 9a421527b51..9a92ba0303b 100644
--- a/include/llvm/iTerminators.h
+++ b/include/llvm/iTerminators.h
@@ -49,6 +49,7 @@ public:
   virtual const BasicBlock *getSuccessor(unsigned idx) const {
     assert(0 && "ReturnInst has no successors!");
     abort();
+    return 0;
   }
   virtual void setSuccessor(unsigned idx, BasicBlock *NewSucc) {
     assert(0 && "ReturnInst has no successors!");
diff --git a/lib/VMCore/BasicBlock.cpp b/lib/VMCore/BasicBlock.cpp
index 446af17be18..d0859f87432 100644
--- a/lib/VMCore/BasicBlock.cpp
+++ b/lib/VMCore/BasicBlock.cpp
@@ -20,7 +20,10 @@
 struct DummyInst : public Instruction {
   DummyInst() : Instruction(Type::VoidTy, NumOtherOps) {}
 
-  virtual Instruction *clone() const { assert(0 && "Cannot clone EOL");abort();}
+  virtual Instruction *clone() const {
+    assert(0 && "Cannot clone EOL");abort();
+    return 0;
+  }
   virtual const char *getOpcodeName() const { return "*end-of-list-inst*"; }
 
   // Methods for support type inquiry through isa, cast, and dyn_cast...