Add compile_commands.json to .gitignore (#3361)
Add compile_commands.json to .gitignore (#3361)

This file is emitted by CMake when -DCMAKE_EXPORT_COMPILE_COMMANDS is set.
WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen