[turbofan] Switch JSForInPrepare to %ForInPrepare style.

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

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_PPC
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 1066 matching lines @@
   __ bind(&fixed_array);
 
   __ EmitLoadTypeFeedbackVector(r4);
   __ mov(r5, Operand(TypeFeedbackVector::MegamorphicSentinel(isolate())));
   int vector_index = SmiFromSlot(slot)->value();
   __ StoreP(
       r5, FieldMemOperand(r4, FixedArray::OffsetOfElementAt(vector_index)), r0);
   __ LoadSmiLiteral(r4, Smi::FromInt(1));  // Smi(1) indicates slow check
   __ Push(r4, r3);  // Smi and array
   __ LoadP(r4, FieldMemOperand(r3, FixedArray::kLengthOffset));
+  __ Push(r4);  // Fixed array length (as smi).
+  PrepareForBailoutForId(stmt->PrepareId(), NO_REGISTERS);
   __ LoadSmiLiteral(r3, Smi::FromInt(0));
-  __ Push(r4, r3);  // Fixed array length (as smi) and initial index.
+  __ Push(r3);  // Initial index.
 
   // Generate code for doing the condition check.
   __ bind(&loop);
   SetExpressionAsStatementPosition(stmt->each());
 
   // Load the current count to r3, load the length to r4.
   __ LoadP(r3, MemOperand(sp, 0 * kPointerSize));
   __ LoadP(r4, MemOperand(sp, 1 * kPointerSize));
   __ cmpl(r3, r4);  // Compare to the array length.
   __ bge(loop_statement.break_label());
@@ skipping 3688 matching lines @@
     return ON_STACK_REPLACEMENT;
   }
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OsrAfterStackCheck()->entry());
   return OSR_AFTER_STACK_CHECK;
 }
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_TARGET_ARCH_PPC