[turbofan] Optimize JSCallConstruct in typed lowering to direct calls.

src/arm64/interface-descriptors-arm64.cc

Index: src/arm64/interface-descriptors-arm64.cc
diff --git a/src/arm64/interface-descriptors-arm64.cc b/src/arm64/interface-descriptors-arm64.cc
index 114040f510b8a4522a2061f88ce55764c324481b..263cce0b7c10275c320ba94a6c3464cc966b333e 100644
--- a/src/arm64/interface-descriptors-arm64.cc
+++ b/src/arm64/interface-descriptors-arm64.cc
@@ -232,6 +232,17 @@ void CallTrampolineDescriptor::InitializePlatformSpecific(
 }
 
 
+void ConstructStubDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // x3: new target
+  // x1: target
+  // x0: number of arguments
+  // x2: allocation site or undefined
+  Register registers[] = {x1, x3, x0, x2};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+
 void ConstructTrampolineDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // x3: new target