[turbofan] Introduce integer multiplication with overflow.

src/code-stub-assembler.h

 // Copyright 2016 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_CODE_STUB_ASSEMBLER_H_
 #define V8_CODE_STUB_ASSEMBLER_H_
 
 #include <functional>
 
 #include "src/compiler/code-assembler.h"
@@ skipping 26 matching lines @@
   // Create with JSCall linkage.
   CodeStubAssembler(Isolate* isolate, Zone* zone, int parameter_count,
                     Code::Flags flags, const char* name);
 
   enum ParameterMode { INTEGER_PARAMETERS, SMI_PARAMETERS };
 
   compiler::Node* BooleanMapConstant();
   compiler::Node* EmptyStringConstant();
   compiler::Node* HeapNumberMapConstant();
   compiler::Node* NoContextConstant();
-  compiler::Node* MinusZeroConstant();
   compiler::Node* NanConstant();
   compiler::Node* NullConstant();
+  compiler::Node* MinusZeroConstant();
   compiler::Node* UndefinedConstant();
   compiler::Node* TheHoleConstant();
   compiler::Node* HashSeed();
   compiler::Node* StaleRegisterConstant();
 
   // Float64 operations.
   compiler::Node* Float64Ceil(compiler::Node* x);
   compiler::Node* Float64Floor(compiler::Node* x);
   compiler::Node* Float64Round(compiler::Node* x);
   compiler::Node* Float64Trunc(compiler::Node* x);
@@ skipping 415 matching lines @@
                                        AllocationFlags flags,
                                        compiler::Node* top_adddress,
                                        compiler::Node* limit_address);
 
   static const int kElementLoopUnrollThreshold = 8;
 };
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_CODE_STUB_ASSEMBLER_H_