[turbofan] Add support for storing to double fields.

src/compiler/node-properties.h

Index: src/compiler/node-properties.h
diff --git a/src/compiler/node-properties.h b/src/compiler/node-properties.h
index 3c65dba514ec0217544adcd1e1bc2fdb4dcb5182..21aa90139ff2dd47805bf4220c40fd087b69e8c9 100644
--- a/src/compiler/node-properties.h
+++ b/src/compiler/node-properties.h
@@ -121,6 +121,7 @@ class NodeProperties final {
     DCHECK(IsTyped(node));
     return node->type();
   }
+  static Type* GetTypeOrAny(Node* node);
   static void SetType(Node* node, Type* type) {
     DCHECK_NOT_NULL(type);
     node->set_type(type);