Remove strong mode support from binary operations.

src/objects.h

 // 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 1095 matching lines @@
 
   // Returns true if the object is of the correct type to be used as a
   // implementation of a JSObject's elements.
   inline bool HasValidElements();
 
   inline bool HasSpecificClassOf(String* name);
 
   bool BooleanValue();                                      // ECMA-262 9.2.
 
   // ES6 section 7.2.11 Abstract Relational Comparison
-  MUST_USE_RESULT static Maybe<ComparisonResult> Compare(
-      Handle<Object> x, Handle<Object> y, Strength strength = Strength::WEAK);
+  MUST_USE_RESULT static Maybe<ComparisonResult> Compare(Handle<Object> x,
+                                                         Handle<Object> y);
 
   // ES6 section 7.2.12 Abstract Equality Comparison
   MUST_USE_RESULT static Maybe<bool> Equals(Handle<Object> x, Handle<Object> y);
 
   // ES6 section 7.2.13 Strict Equality Comparison
   bool StrictEquals(Object* that);
 
   // Convert to a JSObject if needed.
   // native_context is used when creating wrapper object.
   MUST_USE_RESULT static inline MaybeHandle<JSReceiver> ToObject(
@@ skipping 40 matching lines @@
   MUST_USE_RESULT static MaybeHandle<FixedArray> CreateListFromArrayLike(
       Isolate* isolate, Handle<Object> object, ElementTypes element_types);
 
   // Check whether |object| is an instance of Error or NativeError.
   static bool IsErrorObject(Isolate* isolate, Handle<Object> object);
 
   // ES6 section 12.5.6 The typeof Operator
   static Handle<String> TypeOf(Isolate* isolate, Handle<Object> object);
 
   // ES6 section 12.6 Multiplicative Operators
-  MUST_USE_RESULT static MaybeHandle<Object> Multiply(
-      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
-      Strength strength = Strength::WEAK);
-  MUST_USE_RESULT static MaybeHandle<Object> Divide(
-      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
-      Strength strength = Strength::WEAK);
-  MUST_USE_RESULT static MaybeHandle<Object> Modulus(
-      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
-      Strength strength = Strength::WEAK);
+  MUST_USE_RESULT static MaybeHandle<Object> Multiply(Isolate* isolate,
+                                                      Handle<Object> lhs,
+                                                      Handle<Object> rhs);
+  MUST_USE_RESULT static MaybeHandle<Object> Divide(Isolate* isolate,
+                                                    Handle<Object> lhs,
+                                                    Handle<Object> rhs);
+  MUST_USE_RESULT static MaybeHandle<Object> Modulus(Isolate* isolate,
+                                                     Handle<Object> lhs,
+                                                     Handle<Object> rhs);
 
   // ES6 section 12.7 Additive Operators
-  MUST_USE_RESULT static MaybeHandle<Object> Add(
-      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
-      Strength strength = Strength::WEAK);
-  MUST_USE_RESULT static MaybeHandle<Object> Subtract(
-      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
-      Strength strength = Strength::WEAK);
+  MUST_USE_RESULT static MaybeHandle<Object> Add(Isolate* isolate,
+                                                 Handle<Object> lhs,
+                                                 Handle<Object> rhs);
+  MUST_USE_RESULT static MaybeHandle<Object> Subtract(Isolate* isolate,
+                                                      Handle<Object> lhs,
+                                                      Handle<Object> rhs);
 
   // ES6 section 12.8 Bitwise Shift Operators
-  MUST_USE_RESULT static MaybeHandle<Object> ShiftLeft(
-      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
-      Strength strength = Strength::WEAK);
-  MUST_USE_RESULT static MaybeHandle<Object> ShiftRight(
-      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
-      Strength strength = Strength::WEAK);
+  MUST_USE_RESULT static MaybeHandle<Object> ShiftLeft(Isolate* isolate,
+                                                       Handle<Object> lhs,
+                                                       Handle<Object> rhs);
+  MUST_USE_RESULT static MaybeHandle<Object> ShiftRight(Isolate* isolate,
+                                                        Handle<Object> lhs,
+                                                        Handle<Object> rhs);
   MUST_USE_RESULT static MaybeHandle<Object> ShiftRightLogical(
-      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
-      Strength strength = Strength::WEAK);
+      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs);
 
   // ES6 section 12.9 Relational Operators
-  MUST_USE_RESULT static inline Maybe<bool> GreaterThan(
-      Handle<Object> x, Handle<Object> y, Strength strength = Strength::WEAK);
+  MUST_USE_RESULT static inline Maybe<bool> GreaterThan(Handle<Object> x,
+                                                        Handle<Object> y);
   MUST_USE_RESULT static inline Maybe<bool> GreaterThanOrEqual(
-      Handle<Object> x, Handle<Object> y, Strength strength = Strength::WEAK);
-  MUST_USE_RESULT static inline Maybe<bool> LessThan(
-      Handle<Object> x, Handle<Object> y, Strength strength = Strength::WEAK);
-  MUST_USE_RESULT static inline Maybe<bool> LessThanOrEqual(
-      Handle<Object> x, Handle<Object> y, Strength strength = Strength::WEAK);
+      Handle<Object> x, Handle<Object> y);
+  MUST_USE_RESULT static inline Maybe<bool> LessThan(Handle<Object> x,
+                                                     Handle<Object> y);
+  MUST_USE_RESULT static inline Maybe<bool> LessThanOrEqual(Handle<Object> x,
+                                                            Handle<Object> y);
 
   // ES6 section 12.11 Binary Bitwise Operators
-  MUST_USE_RESULT static MaybeHandle<Object> BitwiseAnd(
-      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
-      Strength strength = Strength::WEAK);
-  MUST_USE_RESULT static MaybeHandle<Object> BitwiseOr(
-      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
-      Strength strength = Strength::WEAK);
-  MUST_USE_RESULT static MaybeHandle<Object> BitwiseXor(
-      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
-      Strength strength = Strength::WEAK);
+  MUST_USE_RESULT static MaybeHandle<Object> BitwiseAnd(Isolate* isolate,
+                                                        Handle<Object> lhs,
+                                                        Handle<Object> rhs);
+  MUST_USE_RESULT static MaybeHandle<Object> BitwiseOr(Isolate* isolate,
+                                                       Handle<Object> lhs,
+                                                       Handle<Object> rhs);
+  MUST_USE_RESULT static MaybeHandle<Object> BitwiseXor(Isolate* isolate,
+                                                        Handle<Object> lhs,
+                                                        Handle<Object> rhs);
 
   MUST_USE_RESULT static MaybeHandle<Object> GetProperty(
       LookupIterator* it, LanguageMode language_mode = SLOPPY);
 
   // ES6 [[Set]] (when passed DONT_THROW)
   // Invariants for this and related functions (unless stated otherwise):
   // 1) When the result is Nothing, an exception is pending.
   // 2) When passed THROW_ON_ERROR, the result is never Just(false).
   // In some cases, an exception is thrown regardless of the ShouldThrow
   // argument.  These cases are either in accordance with the spec or not
@@ skipping 9614 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_