diff options
Diffstat (limited to 'tests/ui/traits/inductive-overflow/two-traits.rs')
-rw-r--r-- | tests/ui/traits/inductive-overflow/two-traits.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/traits/inductive-overflow/two-traits.rs b/tests/ui/traits/inductive-overflow/two-traits.rs new file mode 100644 index 000000000..463b55d85 --- /dev/null +++ b/tests/ui/traits/inductive-overflow/two-traits.rs @@ -0,0 +1,22 @@ +// Regression test for #29859, initial version. This example allowed +// arbitrary trait bounds to be synthesized. + +// Trait that you want all types to implement. +use std::marker::{Sync as Trait}; + +pub trait Magic { + type X: Trait; +} +impl<T: Magic> Magic for T { + type X = Self; + //~^ ERROR E0277 +} + +fn check<T: Trait>() {} + +fn wizard<T: Magic>() { check::<<T as Magic>::X>(); } + +fn main() { + wizard::<*mut ()>(); //~ ERROR E0275 + // check::<*mut ()>(); +} |