[turbofan] Avoid allocating rest parameters for spread calls.

src/interface-descriptors.h

Index: src/interface-descriptors.h
diff --git a/src/interface-descriptors.h b/src/interface-descriptors.h
index a234c26d0d1c48cc1cb5fea3b3835eef2efeb5a0..7bf5a40f98768619ca17a428d58b92f90fb6f85d 100644
--- a/src/interface-descriptors.h
+++ b/src/interface-descriptors.h
@@ -48,6 +48,7 @@ class PlatformInterfaceDescriptor;
   V(CallConstruct)                         \
   V(CallTrampoline)                        \
   V(ConstructStub)                         \
+  V(ConstructForwardVarargs)               \
   V(ConstructTrampoline)                   \
   V(TransitionElementsKind)                \
   V(AllocateHeapNumber)                    \
@@ -575,11 +576,18 @@ class CallTrampolineDescriptor : public CallInterfaceDescriptor {
 
 class CallForwardVarargsDescriptor : public CallInterfaceDescriptor {
  public:
-  DEFINE_PARAMETERS(kTarget, kStartIndex)
+  DEFINE_PARAMETERS(kTarget, kActualArgumentsCount, kStartIndex)
   DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE(CallForwardVarargsDescriptor,
                                                CallInterfaceDescriptor)
 };
 
+class ConstructForwardVarargsDescriptor : public CallInterfaceDescriptor {
+ public:
+  DEFINE_PARAMETERS(kTarget, kNewTarget, kActualArgumentsCount, kStartIndex)
+  DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE(
+      ConstructForwardVarargsDescriptor, CallInterfaceDescriptor)
+};
+
 class ConstructStubDescriptor : public CallInterfaceDescriptor {
  public:
   DEFINE_PARAMETERS(kFunction, kNewTarget, kActualArgumentsCount,