If CallNew targets a constant global, set its state to monomorphic

src/ast.h

Index: src/ast.h
diff --git a/src/ast.h b/src/ast.h
index 661b5f962d86723482c0f08b2c574413787b4f21..60ba21d986c29243e7ec0d8dd4b5ad6b5136b120 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -1849,11 +1849,14 @@ class Call FINAL : public Expression {
 
   Handle<AllocationSite> allocation_site() { return allocation_site_; }
 
+  void SetKnownGlobalTarget(Handle<JSFunction> target) {
+    target_ = target;
+    set_is_uninitialized(false);
+  }
   void set_target(Handle<JSFunction> target) { target_ = target; }
   void set_allocation_site(Handle<AllocationSite> site) {
     allocation_site_ = site;
   }
-  bool ComputeGlobalTarget(Handle<GlobalObject> global, LookupIterator* it);
 
   static int num_ids() { return parent_num_ids() + 2; }
   BailoutId ReturnId() const { return BailoutId(local_id(0)); }
@@ -1954,6 +1957,10 @@ class CallNew FINAL : public Expression {
   }
   void set_is_monomorphic(bool monomorphic) { is_monomorphic_ = monomorphic; }
   void set_target(Handle<JSFunction> target) { target_ = target; }
+  void SetKnownGlobalTarget(Handle<JSFunction> target) {
+    target_ = target;
+    is_monomorphic_ = true;
+  }
 
  protected:
   CallNew(Zone* zone, Expression* expression, ZoneList<Expression*>* arguments,