Fix deoptmization of inlined TF InstanceOf to call ToBoolean

src/interface-descriptors.h

 // 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.
 
 #ifndef V8_CALL_INTERFACE_DESCRIPTOR_H_
 #define V8_CALL_INTERFACE_DESCRIPTOR_H_
 
 #include <memory>
 
 #include "src/assembler.h"
@@ skipping 17 matching lines @@
   V(Store)                                 \
   V(StoreWithVector)                       \
   V(StoreNamedTransition)                  \
   V(StoreTransition)                       \
   V(VarArgFunction)                        \
   V(FastNewClosure)                        \
   V(FastNewFunctionContext)                \
   V(FastNewObject)                         \
   V(FastNewArguments)                      \
   V(TypeConversion)                        \
+  V(TypeConversionStackParameter)          \
   V(Typeof)                                \
   V(FastCloneRegExp)                       \
   V(FastCloneShallowArray)                 \
   V(FastCloneShallowObject)                \
   V(CreateAllocationSite)                  \
   V(CreateWeakCell)                        \
   V(CallFunction)                          \
   V(CallIC)                                \
   V(CallICTrampoline)                      \
   V(CallForwardVarargs)                    \
@@ skipping 452 matching lines @@
 };
 
 class TypeConversionDescriptor final : public CallInterfaceDescriptor {
  public:
   DEFINE_PARAMETERS(kArgument)
   DECLARE_DESCRIPTOR(TypeConversionDescriptor, CallInterfaceDescriptor)
 
   static const Register ArgumentRegister();
 };
 
+class TypeConversionStackParameterDescriptor final
+    : public CallInterfaceDescriptor {
+ public:
+  DEFINE_PARAMETERS(kArgument)
+  DECLARE_DESCRIPTOR(TypeConversionStackParameterDescriptor,
+                     CallInterfaceDescriptor)
+ protected:
+  void InitializePlatformIndependent(

[Michael Starzinger, 2017/06/22 14:16:12]

nit: Can we use DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE to include this
declaration?

[danno, 2017/06/22 15:04:00]

Done.

+      CallInterfaceDescriptorData* data) override;
+};
+
 class ForInPrepareDescriptor final : public CallInterfaceDescriptor {
  public:
   DEFINE_PARAMETERS(kObject)
   DECLARE_DEFAULT_DESCRIPTOR(ForInPrepareDescriptor, CallInterfaceDescriptor,
                              kParameterCount)
 };
 
 class GetPropertyDescriptor final : public CallInterfaceDescriptor {
  public:
   DEFINE_PARAMETERS(kObject, kKey)
@@ skipping 398 matching lines @@
 }  // namespace v8
 
 
 #if V8_TARGET_ARCH_ARM64
 #include "src/arm64/interface-descriptors-arm64.h"
 #elif V8_TARGET_ARCH_ARM
 #include "src/arm/interface-descriptors-arm.h"
 #endif
 
 #endif  // V8_CALL_INTERFACE_DESCRIPTOR_H_