Add field nested_sites to AllocationSite.

src/code-stubs-hydrogen.cc

Index: src/code-stubs-hydrogen.cc
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index 0d06209b613db0f9dc46d32dbab532591edd720d..c874e70a7db7640f1e627f4737a05fc71445bbd8 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -473,6 +473,11 @@ HValue* CodeStubGraphBuilder<CreateAllocationSiteStub>::BuildCodeStub() {
                         HObjectAccess::ForAllocationSiteTransitionInfo(),
                         initial_elements_kind);
 
+  // Unlike literals, constructed arrays don't have nested sites
+  Add<HStoreNamedField>(object,
+                        HObjectAccess::ForAllocationSiteNestedSite(),
+                        graph()->GetConstant0());
+
   // Store an empty fixed array for the code dependency.
   HConstant* empty_fixed_array =
     Add<HConstant>(isolate()->factory()->empty_fixed_array());