Upgrade V8 to version 4.9.385.28

https://chromium.googlesource.com/v8/v8/+/4.9.385.28

FPIIM-449

Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/src/typing-asm.h b/src/typing-asm.h
new file mode 100644
index 0000000..b7f5383
--- /dev/null
+++ b/src/typing-asm.h
@@ -0,0 +1,179 @@
+// Copyright 2015 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_TYPING_ASM_H_
+#define V8_TYPING_ASM_H_
+
+#include "src/allocation.h"
+#include "src/ast/ast.h"
+#include "src/effects.h"
+#include "src/type-info.h"
+#include "src/types.h"
+#include "src/zone.h"
+
+namespace v8 {
+namespace internal {
+
+class TypeCache;
+
+class AsmTyper : public AstVisitor {
+ public:
+  explicit AsmTyper(Isolate* isolate, Zone* zone, Script* script,
+                    FunctionLiteral* root);
+  bool Validate();
+  void set_allow_simd(bool simd);
+  const char* error_message() { return error_message_; }
+
+  enum StandardMember {
+    kNone = 0,
+    kStdlib,
+    kInfinity,
+    kNaN,
+    kMathAcos,
+    kMathAsin,
+    kMathAtan,
+    kMathCos,
+    kMathSin,
+    kMathTan,
+    kMathExp,
+    kMathLog,
+    kMathCeil,
+    kMathFloor,
+    kMathSqrt,
+    kMathAbs,
+    kMathMin,
+    kMathMax,
+    kMathAtan2,
+    kMathPow,
+    kMathImul,
+    kMathFround,
+    kMathE,
+    kMathLN10,
+    kMathLN2,
+    kMathLOG2E,
+    kMathLOG10E,
+    kMathPI,
+    kMathSQRT1_2,
+    kMathSQRT2,
+  };
+
+  StandardMember VariableAsStandardMember(Variable* variable);
+
+  DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
+
+ private:
+  Zone* zone_;
+  Isolate* isolate_;
+  Script* script_;
+  FunctionLiteral* root_;
+  bool valid_;
+  bool allow_simd_;
+
+  struct VariableInfo : public ZoneObject {
+    Type* type;
+    bool is_check_function;
+    bool is_constructor_function;
+    StandardMember standard_member;
+
+    VariableInfo()
+        : type(NULL),
+          is_check_function(false),
+          is_constructor_function(false),
+          standard_member(kNone) {}
+    explicit VariableInfo(Type* t)
+        : type(t),
+          is_check_function(false),
+          is_constructor_function(false),
+          standard_member(kNone) {}
+  };
+
+  // Information for bi-directional typing with a cap on nesting depth.
+  Type* expected_type_;
+  Type* computed_type_;
+  VariableInfo* property_info_;
+  int intish_;  // How many ops we've gone without a x|0.
+
+  Type* return_type_;  // Return type of last function.
+  size_t array_size_;  // Array size of last ArrayLiteral.
+
+  typedef ZoneMap<std::string, VariableInfo*> ObjectTypeMap;
+  ObjectTypeMap stdlib_types_;
+  ObjectTypeMap stdlib_heap_types_;
+  ObjectTypeMap stdlib_math_types_;
+#define V(NAME, Name, name, lane_count, lane_type) \
+  ObjectTypeMap stdlib_simd_##name##_types_;       \
+  VariableInfo* stdlib_simd_##name##_constructor_type_;
+  SIMD128_TYPES(V)
+#undef V
+
+  // Map from Variable* to global/local variable Type*.
+  ZoneHashMap global_variable_type_;
+  ZoneHashMap local_variable_type_;
+
+  bool in_function_;  // In module function?
+  bool building_function_tables_;
+
+  TypeCache const& cache_;
+
+  static const int kErrorMessageLimit = 100;
+  char error_message_[kErrorMessageLimit];
+
+  static const int kMaxUncombinedAdditiveSteps = 1 << 20;
+  static const int kMaxUncombinedMultiplicativeSteps = 1;
+
+  void InitializeStdlib();
+  void InitializeStdlibSIMD();
+
+  void VisitDeclarations(ZoneList<Declaration*>* d) override;
+  void VisitStatements(ZoneList<Statement*>* s) override;
+
+  void VisitExpressionAnnotation(Expression* e, Variable* var, bool is_return);
+  void VisitFunctionAnnotation(FunctionLiteral* f);
+  void VisitAsmModule(FunctionLiteral* f);
+
+  void VisitHeapAccess(Property* expr, bool assigning, Type* assignment_type);
+
+  Expression* GetReceiverOfPropertyAccess(Expression* expr, const char* name);
+  bool IsMathObject(Expression* expr);
+  bool IsSIMDObject(Expression* expr);
+  bool IsSIMDTypeObject(Expression* expr, const char* name);
+  bool IsStdlibObject(Expression* expr);
+
+  void VisitSIMDProperty(Property* expr);
+
+  int ElementShiftSize(Type* type);
+  Type* StorageType(Type* type);
+
+  void SetType(Variable* variable, Type* type);
+  Type* GetType(Variable* variable);
+  VariableInfo* GetVariableInfo(Variable* variable, bool setting);
+  void SetVariableInfo(Variable* variable, const VariableInfo* info);
+
+  VariableInfo* LibType(ObjectTypeMap* map, Handle<String> name);
+  void VisitLibraryAccess(ObjectTypeMap* map, Property* expr);
+
+  void SetResult(Expression* expr, Type* type);
+  void IntersectResult(Expression* expr, Type* type);
+
+  void VisitWithExpectation(Expression* expr, Type* expected_type,
+                            const char* msg);
+
+  void VisitLiteral(Literal* expr, bool is_return);
+
+  void VisitIntegerBitwiseOperator(BinaryOperation* expr, Type* left_expected,
+                                   Type* right_expected, Type* result_type,
+                                   bool conversion);
+
+  Zone* zone() const { return zone_; }
+
+#define DECLARE_VISIT(type) void Visit##type(type* node) override;
+  AST_NODE_LIST(DECLARE_VISIT)
+#undef DECLARE_VISIT
+
+  DISALLOW_COPY_AND_ASSIGN(AsmTyper);
+};
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_TYPING_ASM_H_