Fix HasResult method of LTemplateInstruction to properly handle LCheckSmi

src/mips/lithium-mips.h

Index: src/mips/lithium-mips.h
diff --git a/src/mips/lithium-mips.h b/src/mips/lithium-mips.h
index 93bc3b093c07abb33db7110bbfac69b19421f734..ee1c47d0573b74aab0a86ef0d60a1033fe59c1bc 100644
--- a/src/mips/lithium-mips.h
+++ b/src/mips/lithium-mips.h
@@ -265,7 +265,7 @@ class LInstruction: public ZoneObject {
   bool IsMarkedAsCall() const { return is_call_; }
 
   virtual bool HasResult() const = 0;
-  virtual LOperand* result() = 0;
+  virtual LOperand* result() const = 0;
 
   LOperand* FirstInput() { return InputAt(0); }
   LOperand* Output() { return HasResult() ? result() : NULL; }
@@ -301,9 +301,9 @@ 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_;