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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-36381.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-36381.rs b/src/test/ui/issues/issue-36381.rs new file mode 100644 index 000000000..7db56f1dc --- /dev/null +++ b/src/test/ui/issues/issue-36381.rs @@ -0,0 +1,25 @@ +// run-pass +// Regression test for #36381. The monomorphization collector was asserting that +// there are no projection types, but the `<&str as +// StreamOnce>::Position` projection contained a late-bound region, +// and we don't currently normalize in that case until the function is +// actually invoked. + +pub trait StreamOnce { + type Position; +} + +impl<'a> StreamOnce for &'a str { + type Position = usize; +} + +pub fn parser<F>(_: F) { +} + +fn follow(_: &str) -> <&str as StreamOnce>::Position { + panic!() +} + +fn main() { + parser(follow); +} |