Switch CallConstructStub to take new.target in register.

src/arm/interface-descriptors-arm.cc

Index: src/arm/interface-descriptors-arm.cc
diff --git a/src/arm/interface-descriptors-arm.cc b/src/arm/interface-descriptors-arm.cc
index f65b6d272d7679e2b4114b0a835262dfa10e98a8..76ad3ba39c2aa56854589f36a3eb2bf032b52cc0 100644
--- a/src/arm/interface-descriptors-arm.cc
+++ b/src/arm/interface-descriptors-arm.cc
@@ -169,11 +169,11 @@ void CallConstructDescriptor::InitializePlatformSpecific(
   // r0 : number of arguments
   // r1 : the function to call
   // r2 : feedback vector
-  // r3 : (only if r2 is not the megamorphic symbol) slot in feedback
-  //      vector (Smi)
+  // r3 : slot in feedback vector (Smi, for RecordCallTarget)
+  // r4 : original constructor (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[] = {r0, r1, r2};
+  Register registers[] = {r0, r1, r4, r2};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }