Adapt Danno's Track Allocation Info idea to fast literals. When allocating a literal array,

src/x64/full-codegen-x64.cc

Index: src/x64/full-codegen-x64.cc
diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc
index e0aeb8e3648fc922abd1bc5cda86cd5e5c9c4640..e98a99b6dcc4e708f6cb4209c4fda8ef494075c3 100644
--- a/src/x64/full-codegen-x64.cc
+++ b/src/x64/full-codegen-x64.cc
@@ -1703,6 +1703,15 @@ void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
     FastCloneShallowArrayStub::Mode mode = has_constant_fast_elements
         ? FastCloneShallowArrayStub::CLONE_ELEMENTS
         : FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS;
+
+    // Tracking allocation info allows us to pre-transition later if it makes
+    // sense.
+    if (mode == FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS &&
+        FLAG_track_allocation_sites) {
+      mode = FastCloneShallowArrayStub::
+          CLONE_ANY_ELEMENTS_WITH_ALLOCATION_SITE_INFO;
+    }
+
     FastCloneShallowArrayStub stub(mode, length);
     __ CallStub(&stub);
   }