[turbofan] Prevent storing signalling NaNs into holey double arrays.

src/compiler/arm/instruction-selector-arm.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/base/adapters.h"
 #include "src/base/bits.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
@@ skipping 1356 matching lines @@
 void InstructionSelector::VisitFloat32Max(Node* node) {
   DCHECK(IsSupported(ARMv8));
   VisitRRR(this, kArmFloat32Max, node);
 }
 
 void InstructionSelector::VisitFloat64Max(Node* node) {
   DCHECK(IsSupported(ARMv8));
   VisitRRR(this, kArmFloat64Max, node);
 }
 
+void InstructionSelector::VisitFloat64SilenceNaN(Node* node) {
+  VisitRR(this, kArmFloat64SilenceNaN, node);
+}
+
 void InstructionSelector::VisitFloat32Min(Node* node) {
   DCHECK(IsSupported(ARMv8));
   VisitRRR(this, kArmFloat32Min, node);
 }
 
 void InstructionSelector::VisitFloat64Min(Node* node) {
   DCHECK(IsSupported(ARMv8));
   VisitRRR(this, kArmFloat64Min, node);
 }
 
@@ skipping 619 matching lines @@
 // static
 MachineOperatorBuilder::AlignmentRequirements
 InstructionSelector::AlignmentRequirements() {
   return MachineOperatorBuilder::AlignmentRequirements::
       FullUnalignedAccessSupport();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8