More ifndef PRODUCT.

runtime/vm/deopt_instructions.cc

Index: runtime/vm/deopt_instructions.cc
diff --git a/runtime/vm/deopt_instructions.cc b/runtime/vm/deopt_instructions.cc
index f31a8976590d103ef9e61168423dd7086b855128..6cb36e94a193bc94dc325ae5c78207dec974f3ac 100644
--- a/runtime/vm/deopt_instructions.cc
+++ b/runtime/vm/deopt_instructions.cc
@@ -147,6 +147,7 @@ DeoptContext::~DeoptContext() {
   delete[] deferred_objects_;
   deferred_objects_ = NULL;
   deferred_objects_count_ = 0;
+#ifndef PRODUCT
   if (FLAG_support_timeline && (deopt_start_micros_ != 0)) {
     TimelineStream* compiler_stream = Timeline::GetCompilerStream();
     ASSERT(compiler_stream != NULL);
@@ -172,6 +173,7 @@ DeoptContext::~DeoptContext() {
       }
     }
   }
+#endif  // !PRODUCT
 }