diff options
| -rw-r--r-- | src/librustc_mir/transform/promote_consts.rs | 1 | ||||
| -rw-r--r-- | src/test/ui/generator/issue-69017.rs | 18 |
2 files changed, 19 insertions, 0 deletions
diff --git a/src/librustc_mir/transform/promote_consts.rs b/src/librustc_mir/transform/promote_consts.rs index 9a7f3f86a6f..a5d59860c3d 100644 --- a/src/librustc_mir/transform/promote_consts.rs +++ b/src/librustc_mir/transform/promote_consts.rs @@ -463,6 +463,7 @@ impl<'tcx> Validator<'_, 'tcx> { let terminator = self.body[loc.block].terminator(); match &terminator.kind { TerminatorKind::Call { func, args, .. } => self.validate_call(func, args), + TerminatorKind::Yield { .. } => Err(Unpromotable), kind => { span_bug!(terminator.source_info.span, "{:?} not promotable", kind); } diff --git a/src/test/ui/generator/issue-69017.rs b/src/test/ui/generator/issue-69017.rs new file mode 100644 index 00000000000..511deb60e45 --- /dev/null +++ b/src/test/ui/generator/issue-69017.rs @@ -0,0 +1,18 @@ +// This issue reproduces an ICE on compile +// Fails on 2020-02-08 nightly +// regressed commit: https://github.com/rust-lang/rust/commit/f8fd4624474a68bd26694eff3536b9f3a127b2d3 +// +// check-pass + +#![feature(generator_trait)] +#![feature(generators)] + +use std::ops::Generator; + +fn gen() -> impl Generator<usize> { + |_: usize| { + println!("-> {}", yield); + } +} + +fn main() {} |