PPC: [builtins] Sanitize the machinery around Construct calls.

src/full-codegen/ppc/full-codegen-ppc.cc

Index: src/full-codegen/ppc/full-codegen-ppc.cc
diff --git a/src/full-codegen/ppc/full-codegen-ppc.cc b/src/full-codegen/ppc/full-codegen-ppc.cc
index 76bad8306db72753d7022c4bb7e7c3297b5cfa4f..7aed227891ce565ac2f27fc76d3114b1c6442a01 100644
--- a/src/full-codegen/ppc/full-codegen-ppc.cc
+++ b/src/full-codegen/ppc/full-codegen-ppc.cc
@@ -3064,7 +3064,7 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
   __ EmitLoadTypeFeedbackVector(r5);
   __ LoadSmiLiteral(r6, SmiFromSlot(expr->CallNewFeedbackSlot()));
 
-  CallConstructStub stub(isolate(), RECORD_CONSTRUCTOR_TARGET);
+  CallConstructStub stub(isolate());
   __ Call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL);
   PrepareForBailoutForId(expr->ReturnId(), TOS_REG);
   // Restore context register.
@@ -3092,20 +3092,15 @@ void FullCodeGenerator::EmitSuperConstructorCall(Call* expr) {
   // constructor invocation.
   SetConstructCallPosition(expr, arg_count);
 
-  // Load new target into r7.
+  // Load new target into r6.
   VisitForAccumulatorValue(super_call_ref->new_target_var());
-  __ mr(r7, result_register());
+  __ mr(r6, result_register());
 
   // Load function and argument count into r1 and r0.
   __ mov(r3, Operand(arg_count));
   __ LoadP(r4, MemOperand(sp, arg_count * kPointerSize));
 
-  // Record call targets in unoptimized code.
-  __ EmitLoadTypeFeedbackVector(r5);
-  __ LoadSmiLiteral(r6, SmiFromSlot(expr->CallFeedbackSlot()));
-
-  CallConstructStub stub(isolate(), SUPER_CALL_RECORD_TARGET);
-  __ Call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL);
+  __ Call(isolate()->builtins()->Construct(), RelocInfo::CONSTRUCT_CALL);
 
   RecordJSReturnSite(expr);