diff options
Diffstat (limited to 'tests/ui/extern/extern-types-unsized.rs')
-rw-r--r-- | tests/ui/extern/extern-types-unsized.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/ui/extern/extern-types-unsized.rs b/tests/ui/extern/extern-types-unsized.rs new file mode 100644 index 000000000..94a222a7e --- /dev/null +++ b/tests/ui/extern/extern-types-unsized.rs @@ -0,0 +1,33 @@ +// Make sure extern types are !Sized. + +#![feature(extern_types)] + +extern "C" { + type A; +} + +struct Foo { + x: u8, + tail: A, +} + +struct Bar<T: ?Sized> { + x: u8, + tail: T, +} + +fn assert_sized<T>() {} + +fn main() { + assert_sized::<A>(); + //~^ ERROR the size for values of type + + assert_sized::<Foo>(); + //~^ ERROR the size for values of type + + assert_sized::<Bar<A>>(); + //~^ ERROR the size for values of type + + assert_sized::<Bar<Bar<A>>>(); + //~^ ERROR the size for values of type +} |