X64: Adds zone scope before creating codegenerator for testing.

Review URL: http://codereview.chromium.org/122033


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2143 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/x64/codegen-x64.cc

@@ -67,6 +67,7 @@ void CodeGenerator::DeclareGlobals(Handle<FixedArray> a) {
 
 void CodeGenerator::TestCodeGenerator() {
   // Generate code.
+  ZoneScope zone_scope(DELETE_ON_EXIT);
   const int initial_buffer_size = 4 * KB;
   CodeGenerator cgen(initial_buffer_size, NULL, false);
   CodeGeneratorScope scope(&cgen);