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Diffstat (limited to 'tests/ui/traits/next-solver/upcast-wrong-substs.rs')
-rw-r--r-- | tests/ui/traits/next-solver/upcast-wrong-substs.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/ui/traits/next-solver/upcast-wrong-substs.rs b/tests/ui/traits/next-solver/upcast-wrong-substs.rs new file mode 100644 index 000000000..0cd253007 --- /dev/null +++ b/tests/ui/traits/next-solver/upcast-wrong-substs.rs @@ -0,0 +1,11 @@ +// compile-flags: -Znext-solver + +trait Foo: Bar<i32> + Bar<u32> {} + +trait Bar<T> {} + +fn main() { + let x: &dyn Foo = todo!(); + let y: &dyn Bar<usize> = x; + //~^ ERROR mismatched types +} |