// Copyright 2019 The Pigweed Authors // // Licensed under the Apache License, Version 2.0 (the "License"); you may not // use this file except in compliance with the License. You may obtain a copy of // the License at // // https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the // License for the specific language governing permissions and limitations under // the License. char* volatile non_optimizable_pointer; int SimpleFunction() { return *non_optimizable_pointer; } int main(int argc, char** argv) { (void)argc; (void)argv; // Add function and call to this binary. *non_optimizable_pointer = SimpleFunction(); return SimpleFunction(); }