PPC: Provide call counts for constructor calls, surface them as a vector IC.

src/ppc/interface-descriptors-ppc.cc

Index: src/ppc/interface-descriptors-ppc.cc
diff --git a/src/ppc/interface-descriptors-ppc.cc b/src/ppc/interface-descriptors-ppc.cc
index 66c44a4b84143af0ca3e966852769cc059625925..8757ebf5713e0bf3cdf6032f81607b5b727090c3 100644
--- a/src/ppc/interface-descriptors-ppc.cc
+++ b/src/ppc/interface-descriptors-ppc.cc
@@ -188,16 +188,15 @@ void CallFunctionWithFeedbackAndVectorDescriptor::InitializePlatformSpecific(
 }
 
 
-void CallConstructDescriptor::InitializePlatformSpecific(
+void ConstructDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // r3 : number of arguments
   // r4 : the function to call
   // r5 : feedback vector
   // r6 : slot in feedback vector (Smi, for RecordCallTarget)
-  // r7 : new target (for IsSuperConstructorCall)
   // TODO(turbofan): So far we don't gather type feedback and hence skip the
   // slot parameter, but ArrayConstructStub needs the vector to be undefined.
-  Register registers[] = {r3, r4, r7, r5};
+  Register registers[] = {r3, r4, r5, r6};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }