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

src/compiler/representation-change.cc

Index: src/compiler/representation-change.cc
diff --git a/src/compiler/representation-change.cc b/src/compiler/representation-change.cc
index e9c4cad32f093eb0244e4168ee84f455ad57e75f..ad4a48c360374e88abc34c8b9c02b00dbc2bc03b 100644
--- a/src/compiler/representation-change.cc
+++ b/src/compiler/representation-change.cc
@@ -663,6 +663,8 @@ const Operator* RepresentationChanger::Float64OperatorFor(
       return machine()->Float64Log();
     case IrOpcode::kNumberLog1p:
       return machine()->Float64Log1p();
+    case IrOpcode::kNumberSilenceNaN:
+      return machine()->Float64SilenceNaN();
     default:
       UNREACHABLE();
       return nullptr;