Convert FastNewClosureStub into hydrogen.

src/code-stubs.cc

Index: src/code-stubs.cc
diff --git a/src/code-stubs.cc b/src/code-stubs.cc
index dd7012757b0686f71ff2475ac2e4a25d0e3206f7..01456ee186dcb3a6499aed14b6e5877f5ae7efe6 100644
--- a/src/code-stubs.cc
+++ b/src/code-stubs.cc
@@ -759,6 +759,12 @@ void ArrayConstructorStubBase::InstallDescriptors(Isolate* isolate) {
 }
 
 
+void FastNewClosureStub::InstallDescriptors(Isolate* isolate) {
+  FastNewClosureStub stub(STRICT_MODE, false);
+  InstallDescriptor(isolate, &stub);
+}
+
+
 ArrayConstructorStub::ArrayConstructorStub(Isolate* isolate)
     : argument_count_(ANY) {
   ArrayConstructorStubBase::GenerateStubsAheadOfTime(isolate);