Fix HasResult method of LTemplateInstruction to properly handle LCheckSmi

src/ia32/lithium-ia32.h

Index: src/ia32/lithium-ia32.h
diff --git a/src/ia32/lithium-ia32.h b/src/ia32/lithium-ia32.h
index 85c04685bad2a90503069ea9ea1747e9f384793a..5acf29ca5a6f6ef97713ccf6f423bf21ce589666 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -271,7 +271,7 @@ class LInstruction: public ZoneObject {
   }
 
   virtual bool HasResult() const = 0;
-  virtual LOperand* result() = 0;
+  virtual LOperand* result() const = 0;
 
   bool HasDoubleRegisterResult();
   bool HasDoubleRegisterInput();
@@ -311,9 +311,9 @@ class LTemplateInstruction: public LInstruction {
  public:
   // Allow 0 or 1 output operands.
   STATIC_ASSERT(R == 0 || R == 1);
-  virtual bool HasResult() const { return R != 0; }
+  virtual bool HasResult() const { return R != 0 && result() != NULL; }
   void set_result(LOperand* operand) { results_[0] = operand; }
-  LOperand* result() { return results_[0]; }
+  LOperand* result() const { return results_[0]; }
 
  protected:
   EmbeddedContainer<LOperand*, R> results_;