Fix memory leaks on x64...

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
===================================================================
--- src/x64/lithium-codegen-x64.cc	(revision 7090)
+++ src/x64/lithium-codegen-x64.cc	(working copy)
@@ -258,7 +258,7 @@
 
 bool LCodeGen::GenerateJumpTable() {
   for (int i = 0; i < jump_table_.length(); i++) {
-    JumpTableEntry* info = jump_table_[i];
+    JumpTableEntry* info = &jump_table_[i];
     __ bind(&(info->label_));
     __ Jump(info->address_, RelocInfo::RUNTIME_ENTRY);
   }
@@ -538,17 +538,13 @@
   if (cc == no_condition) {
     __ Jump(entry, RelocInfo::RUNTIME_ENTRY);
   } else {
-    JumpTableEntry* jump_info = NULL;
     // We often have several deopts to the same entry, reuse the last
     // jump entry if this is the case.
-    if (jump_table_.length() > 0 &&
-        jump_table_[jump_table_.length() - 1]->address_ == entry) {
-      jump_info = jump_table_[jump_table_.length() - 1];
-    } else {
-      jump_info = new JumpTableEntry(entry);
-      jump_table_.Add(jump_info);
+    if (jump_table_.is_empty() ||
+        jump_table_.last().address_ != entry) {
+      jump_table_.Add(entry);

[Lasse Reichstein, 2011/03/09 09:57:07]

If the JumpTableEntry constructor was explicit, this wouldn't typecheck. You'll
need .Add(JumpTableEntry(address))

     }
-    __ j(cc, &jump_info->label_);
+    __ j(cc, &jump_table_.last().label_);
   }
 }