Track JS allocations as they arrive with no affection on performance when tracking is switched off

src/full-codegen.cc

Index: src/full-codegen.cc
diff --git a/src/full-codegen.cc b/src/full-codegen.cc
index f1877fbf51edbc293bec06378fde48f0f8dbf446..adbd07fda4f6cd18af08129a65e614c5f96d63b5 100644
--- a/src/full-codegen.cc
+++ b/src/full-codegen.cc
@@ -414,6 +414,8 @@ void FullCodeGenerator::Initialize() {
                          !Serializer::enabled() &&
                          !Snapshot::HaveASnapshotToStartFrom();
   masm_->set_emit_debug_code(generate_debug_code_);
+  masm_->set_emit_allocations_tracking_code(
+      masm_->isolate()->heap_profiler()->is_tracking_allocations());
   masm_->set_predictable_code_size(true);
   InitializeAstVisitor(info_->isolate());
 }