HAllocate* elements = BuildAllocateElements(elements_kind, size);
BuildInitializeElementsHeader(elements, elements_kind, length);
- HConstant* size_in_bytes_upper_bound = EstablishElementsAllocationSize(
- elements_kind, max_length->Integer32Value());
- elements->set_size_upper_bound(size_in_bytes_upper_bound);
+ if (!elements->has_size_upper_bound()) {
+ HConstant* size_in_bytes_upper_bound = EstablishElementsAllocationSize(
+ elements_kind, max_length->Integer32Value());
+ elements->set_size_upper_bound(size_in_bytes_upper_bound);
+ }
Add<HStoreNamedField>(
result, HObjectAccess::ForJSArrayOffset(JSArray::kElementsOffset),
--- /dev/null
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+
+function f() {
+ %_RegExpConstructResult(0, {}, {});
+}
+f();
+f();
+%OptimizeFunctionOnNextCall(f);
+f();