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

src/compiler/arm/instruction-codes-arm.h

 // 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.
 
 #ifndef V8_COMPILER_ARM_INSTRUCTION_CODES_ARM_H_
 #define V8_COMPILER_ARM_INSTRUCTION_CODES_ARM_H_
 
 namespace v8 {
 namespace internal {
 namespace compiler {
@@ skipping 88 matching lines @@
   V(ArmVmovHighF64U32)             \
   V(ArmVmovF64U32U32)              \
   V(ArmVldrF32)                    \
   V(ArmVstrF32)                    \
   V(ArmVldrF64)                    \
   V(ArmVstrF64)                    \
   V(ArmFloat32Max)                 \
   V(ArmFloat32Min)                 \
   V(ArmFloat64Max)                 \
   V(ArmFloat64Min)                 \
+  V(ArmFloat64SilenceNaN)          \
   V(ArmLdrb)                       \
   V(ArmLdrsb)                      \
   V(ArmStrb)                       \
   V(ArmLdrh)                       \
   V(ArmLdrsh)                      \
   V(ArmStrh)                       \
   V(ArmLdr)                        \
   V(ArmStr)                        \
   V(ArmPush)                       \
   V(ArmPoke)
@@ skipping 14 matching lines @@
   V(Operand2_R_ASR_R) /* %r0 ASR %r1 */ \
   V(Operand2_R_LSL_R) /* %r0 LSL %r1 */ \
   V(Operand2_R_LSR_R) /* %r0 LSR %r1 */ \
   V(Operand2_R_ROR_R) /* %r0 ROR %r1 */
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_ARM_INSTRUCTION_CODES_ARM_H_