Reland r20974: Unify and simplify the FastCloneShallowArrayStub

src/lithium.cc

 // Copyright 2012 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 "v8.h"
 #include "lithium.h"
 #include "scopes.h"
 
 #if V8_TARGET_ARCH_IA32
 #include "ia32/lithium-ia32.h"
@@ skipping 431 matching lines @@
         CodeGenerator::MakeCodeEpilogue(&assembler, flags, info());
     generator.FinishCode(code);
     CommitDependencies(code);
     code->set_is_crankshafted(true);
     void* jit_handler_data =
         assembler.positions_recorder()->DetachJITHandlerData();
     LOG_CODE_EVENT(info()->isolate(),
                    CodeEndLinePosInfoRecordEvent(*code, jit_handler_data));
 
     CodeGenerator::PrintCode(code, info());
+    ASSERT(!(info()->GetMustNotHaveEagerFrame() &&
+             generator.NeedsEagerFrame()));

[mvstanton, 2014/05/09 13:16:49]

+1.

     return code;
   }
   assembler.AbortedCodeGeneration();
   return Handle<Code>::null();
 }
 
 
 void LChunk::set_allocated_double_registers(BitVector* allocated_registers) {
   allocated_double_registers_ = allocated_registers;
   BitVector* doubles = allocated_double_registers();
@@ skipping 152 matching lines @@
 
 
 LPhase::~LPhase() {
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceLithium(name(), chunk_);
   }
 }
 
 
 } }  // namespace v8::internal