[turbofan] Fix HashCode/Equals for floating point operators.

src/compiler/common-operator.cc

 // 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.
 
 #include "src/compiler/common-operator.h"
 
 #include "src/assembler.h"
 #include "src/base/lazy-instance.h"
 #include "src/compiler/linkage.h"
 #include "src/unique.h"
@@ skipping 132 matching lines @@
 
 
 const Operator* CommonOperatorBuilder::Int64Constant(int64_t value) {
   return new (zone()) Operator1<int64_t>(
       IrOpcode::kInt64Constant, Operator::kPure, 0, 1, "Int64Constant", value);
 }
 
 
 const Operator* CommonOperatorBuilder::Float32Constant(volatile float value) {
   return new (zone())
-      Operator1<float>(IrOpcode::kFloat32Constant, Operator::kPure, 0, 1,
-                       "Float32Constant", value);
+      Operator1<float, base::bit_equal_to<float>, base::bit_hash<float>>(
+          IrOpcode::kFloat32Constant, Operator::kPure, 0, 1, "Float32Constant",
+          value);
 }
 
 
 const Operator* CommonOperatorBuilder::Float64Constant(volatile double value) {
   return new (zone())
-      Operator1<double>(IrOpcode::kFloat64Constant, Operator::kPure, 0, 1,
-                        "Float64Constant", value);
+      Operator1<double, base::bit_equal_to<double>, base::bit_hash<double>>(
+          IrOpcode::kFloat64Constant, Operator::kPure, 0, 1, "Float64Constant",
+          value);
 }
 
 
 const Operator* CommonOperatorBuilder::ExternalConstant(
     const ExternalReference& value) {
   return new (zone())
       Operator1<ExternalReference>(IrOpcode::kExternalConstant, Operator::kPure,
                                    0, 1, "ExternalConstant", value);
 }
 
 
 const Operator* CommonOperatorBuilder::NumberConstant(volatile double value) {
   return new (zone())
-      Operator1<double>(IrOpcode::kNumberConstant, Operator::kPure, 0, 1,
-                        "NumberConstant", value);
+      Operator1<double, base::bit_equal_to<double>, base::bit_hash<double>>(
+          IrOpcode::kNumberConstant, Operator::kPure, 0, 1, "NumberConstant",
+          value);
 }
 
 
 const Operator* CommonOperatorBuilder::HeapConstant(
     const Unique<HeapObject>& value) {
   return new (zone()) Operator1<Unique<HeapObject>>(
       IrOpcode::kHeapConstant, Operator::kPure, 0, 1, "HeapConstant", value);
 }
 
 
@@ skipping 62 matching lines @@
 
 
 const Operator* CommonOperatorBuilder::Projection(size_t index) {
   return new (zone()) Operator1<size_t>(IrOpcode::kProjection, Operator::kPure,
                                         1, 1, "Projection", index);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8