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

src/compiler/arm64/instruction-selector-arm64.cc

Index: src/compiler/arm64/instruction-selector-arm64.cc
diff --git a/src/compiler/arm64/instruction-selector-arm64.cc b/src/compiler/arm64/instruction-selector-arm64.cc
index 8a678263b8801145ee8ccca02e9f5c3005b7b862..f9ee78f0e554dfded32a84c6903114460f43a11a 100644
--- a/src/compiler/arm64/instruction-selector-arm64.cc
+++ b/src/compiler/arm64/instruction-selector-arm64.cc
@@ -2401,6 +2401,10 @@ void InstructionSelector::VisitFloat64InsertHighWord32(Node* node) {
        g.UseRegister(left), g.UseRegister(right));
 }
 
+void InstructionSelector::VisitFloat64SilenceNaN(Node* node) {
+  VisitRR(this, kArm64Float64SilenceNaN, node);
+}
+
 void InstructionSelector::VisitAtomicLoad(Node* node) {
   LoadRepresentation load_rep = LoadRepresentationOf(node->op());
   Arm64OperandGenerator g(this);