Fix memory leaks on x64...

src/x64/lithium-codegen-x64.h

Index: src/x64/lithium-codegen-x64.h
===================================================================
--- src/x64/lithium-codegen-x64.h	(revision 7090)
+++ src/x64/lithium-codegen-x64.h	(working copy)
@@ -42,6 +42,7 @@
 // Forward declarations.
 class LDeferredCode;
 class SafepointGenerator;
+class JumpTableEntry;
 
 class LCodeGen BASE_EMBEDDED {
  public:
@@ -240,13 +241,6 @@
   // Emits code for pushing a constant operand.
   void EmitPushConstantOperand(LOperand* operand);
 
-  struct JumpTableEntry {
-    inline JumpTableEntry(Address address)
-        : label_(),
-          address_(address) { }
-    Label label_;
-    Address address_;
-  };
 
   LChunk* const chunk_;
   MacroAssembler* const masm_;
@@ -275,10 +269,24 @@
   friend class LDeferredCode;
   friend class LEnvironment;
   friend class SafepointGenerator;
+  friend class JumpTableEntry;
   DISALLOW_COPY_AND_ASSIGN(LCodeGen);
 };
 
 
+class JumpTableEntry : public ZoneObject {

[Lasse Reichstein, 2011/03/09 09:16:54]

Why create an external class for a purely internal data-structure? Especially
when you need to make it a friend class anyway?

+ public:
+  explicit JumpTableEntry() : address_(NULL) { }
+  void SetAddress(Address address) { address_ = address; }
+  byte* address() { return address_; }
+  Label* label() { return &label_; }
+
+ private:
+  Label label_;
+  byte* address_;
+};
+
+
 class LDeferredCode: public ZoneObject {
  public:
   explicit LDeferredCode(LCodeGen* codegen)