diff --git a/src/tools/compiletest/src/main.rs b/src/tools/compiletest/src/main.rs index 81478c18d7b24..e6efd45cad186 100644 --- a/src/tools/compiletest/src/main.rs +++ b/src/tools/compiletest/src/main.rs @@ -15,6 +15,8 @@ #![feature(test)] #![feature(libc)] +#![cfg_attr(stage0, feature(question_mark))] + #![deny(warnings)] extern crate libc;