[crankshaft] Disable Crankshaft when it sees a tail call.

src/crankshaft/ppc/lithium-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.
 
 #include "src/crankshaft/ppc/lithium-codegen-ppc.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/crankshaft/hydrogen-osr.h"
@@ skipping 3888 matching lines @@
 
 
 void LCodeGen::DoCallFunction(LCallFunction* instr) {
   HCallFunction* hinstr = instr->hydrogen();
   DCHECK(ToRegister(instr->context()).is(cp));
   DCHECK(ToRegister(instr->function()).is(r4));
   DCHECK(ToRegister(instr->result()).is(r3));
 
   int arity = instr->arity();
   ConvertReceiverMode mode = hinstr->convert_mode();
-  TailCallMode tail_call_mode = hinstr->tail_call_mode();
   if (hinstr->HasVectorAndSlot()) {
     Register slot_register = ToRegister(instr->temp_slot());
     Register vector_register = ToRegister(instr->temp_vector());
     DCHECK(slot_register.is(r6));
     DCHECK(vector_register.is(r5));
 
     AllowDeferredHandleDereference vector_structure_check;
     Handle<TypeFeedbackVector> vector = hinstr->feedback_vector();
     int index = vector->GetIndex(hinstr->slot());
 
     __ Move(vector_register, vector);
     __ LoadSmiLiteral(slot_register, Smi::FromInt(index));
 
-    Handle<Code> ic = CodeFactory::CallICInOptimizedCode(isolate(), arity, mode,
-                                                         tail_call_mode)
-                          .code();
+    Handle<Code> ic =
+        CodeFactory::CallICInOptimizedCode(isolate(), arity, mode).code();
     CallCode(ic, RelocInfo::CODE_TARGET, instr);
   } else {
     __ mov(r3, Operand(arity));
-    CallCode(isolate()->builtins()->Call(mode, tail_call_mode),
-             RelocInfo::CODE_TARGET, instr);
+    CallCode(isolate()->builtins()->Call(mode), RelocInfo::CODE_TARGET, instr);
   }
 }
 
 
 void LCodeGen::DoCallNewArray(LCallNewArray* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
   DCHECK(ToRegister(instr->constructor()).is(r4));
   DCHECK(ToRegister(instr->result()).is(r3));
 
   __ mov(r3, Operand(instr->arity()));
@@ skipping 1861 matching lines @@
   __ Push(scope_info);
   __ push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8