To test out the compiler, we're going to use a slightly modified version of the without-glue.c file from the Interacting with JavaScript without glue code section of Chapter 5, Creating and Loading a WebAssembly Module. The code for this section is located in the /chapter-10-advanced-tools/compile-with-llvm directory of the learn-webassembly repository. Follow the following instructions to create the files necessary for the compiler test. Let's start with the C++ file.