[stubs] Convert Internal/ArraySingleArgumentsConstructor to a TurboFan stub

src/x64/code-stubs-x64.cc

Index: src/x64/code-stubs-x64.cc
diff --git a/src/x64/code-stubs-x64.cc b/src/x64/code-stubs-x64.cc
index 602d3a01a926e18ea923affd85d4d832fcb9f148..28ac74273a15ffff4e8b8d20b81f3c28f8fa2f69 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -53,12 +53,6 @@ static void InitializeInternalArrayConstructorDescriptor(
 }
 
 
-void ArraySingleArgumentConstructorStub::InitializeDescriptor(
-    CodeStubDescriptor* descriptor) {
-  InitializeArrayConstructorDescriptor(isolate(), descriptor, 1);
-}
-
-
 void ArrayNArgumentsConstructorStub::InitializeDescriptor(
     CodeStubDescriptor* descriptor) {
   InitializeArrayConstructorDescriptor(isolate(), descriptor, -1);
@@ -70,12 +64,6 @@ void FastArrayPushStub::InitializeDescriptor(CodeStubDescriptor* descriptor) {
   descriptor->Initialize(rax, deopt_handler, -1, JS_FUNCTION_STUB_MODE);
 }
 
-void InternalArraySingleArgumentConstructorStub::InitializeDescriptor(
-    CodeStubDescriptor* descriptor) {
-  InitializeInternalArrayConstructorDescriptor(isolate(), descriptor, 1);
-}
-
-
 void InternalArrayNArgumentsConstructorStub::InitializeDescriptor(
     CodeStubDescriptor* descriptor) {
   InitializeInternalArrayConstructorDescriptor(isolate(), descriptor, -1);