I agree you can't trust your compiler, but you can control its behavior more reliably with __builtin_expect_with_probability https://github.com/protocolbuffers

I agree you can't trust your compiler, but you can control its behavior more reliably with __builtin_expect_with_probability https://github.com/protocolbuffers/protobuf/commit/9f29f02a36ae0d2689ca7feebd2d07018436bcde https://github.com/protocolbuffers/protobuf/commit/9f29f02a3...