Some(CompareMode::Chalk) => {
rustc.args(&["-Ztrait-solver=chalk"]);
}
+ Some(CompareMode::NextSolver) => {
+ rustc.args(&["-Ztrait-solver=next"]);
+ }
Some(CompareMode::SplitDwarf) if self.config.target.contains("windows") => {
rustc.args(&["-Csplit-debuginfo=unpacked", "-Zunstable-options"]);
}