Define for static member variables.

Fixes #40168

PiperOrigin-RevId: 314857224
Change-Id: Idd508c71ef34b1d93df091f36138bc3a9f68088d

tensorflow/lite/delegates/gpu/cl/arguments.cc

@@ -130,6 +130,9 @@ std::string GetImageModifier(AccessType access) {
 
 }  // namespace
 
+// Static
+constexpr char Arguments::kArgsPrefix[];
+
 Arguments::Arguments(Arguments&& args)
     : int_values_(std::move(args.int_values_)),
       shared_int4s_data_(std::move(args.shared_int4s_data_)),

tensorflow/lite/experimental/delegates/hexagon/builders/op_builder.cc

@@ -277,6 +277,9 @@ const OpNode* OpBuilder::Build() {
   return &op_node_;
 }
 
+// Static
+constexpr int OpBuilder::kScalarShape[];
+
 OpBuilder* GraphBuilder::AddNode(int tflite_node_index) {
   OpBuilder* op = new OpBuilder(this, OP_Nop);
   builders_.emplace_back(op);