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

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index b6f3e6760cc89a88e6bc096ca02e3763278a13f7..cb9509ffb13d738e676cd8c591cc170f1cd97d2d 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -1733,6 +1733,15 @@ void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
     FastCloneShallowArrayStub::Mode mode = has_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);
   }