1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 fn illegal_cast<U:?Sized,V:?Sized>(u: *const U) -> *const V
13 u as *const V //~ ERROR vtable kinds
16 fn illegal_cast_2<U:?Sized>(u: *const U) -> *const str
18 u as *const str //~ ERROR vtable kinds
21 trait Foo { fn foo(&self) {} }
31 let v = 0 as *const u8;
32 let fat_v : *const [u8] = unsafe { &*(0 as *const [u8; 1])};
35 let _ = v as &u8; //~ ERROR non-scalar
36 let _ = v as E; //~ ERROR non-scalar
37 let _ = v as fn(); //~ ERROR non-scalar
38 let _ = v as (u32,); //~ ERROR non-scalar
39 let _ = Some(&v) as *const u8; //~ ERROR non-scalar
41 let _ = v as f32; //~ ERROR through a usize first
42 let _ = main as f64; //~ ERROR through a usize first
43 let _ = &v as usize; //~ ERROR through a raw pointer first
44 let _ = f as *const u8; //~ ERROR through a usize first
45 let _ = 3 as bool; //~ ERROR compare with zero
46 let _ = E::A as bool; //~ ERROR compare with zero
47 let _ = 0x61u32 as char; //~ ERROR only `u8` can be cast
49 let _ = false as f32; //~ ERROR through an integer first
50 let _ = E::A as f32; //~ ERROR through an integer first
51 let _ = 'a' as f32; //~ ERROR through an integer first
53 let _ = false as *const u8; //~ ERROR through a usize first
54 let _ = E::A as *const u8; //~ ERROR through a usize first
55 let _ = 'a' as *const u8; //~ ERROR through a usize first
57 let _ = 42usize as *const [u8]; //~ ERROR illegal cast
58 let _ = v as *const [u8]; //~ ERROR illegal cast
59 let _ = fat_v as *const Foo;
60 //~^ ERROR `core::marker::Sized` is not implemented for the type `[u8]`
61 let _ = foo as *const str; //~ ERROR illegal cast
62 let _ = foo as *mut str; //~ ERROR illegal cast
63 let _ = main as *mut str; //~ ERROR illegal cast
64 let _ = &f as *mut f32; //~ ERROR illegal cast
65 let _ = &f as *const f64; //~ ERROR illegal cast
66 let _ = fat_v as usize; //~ ERROR through a raw pointer first
68 let a : *const str = "hello";
69 let _ = a as *const Foo;
70 //~^ ERROR `core::marker::Sized` is not implemented for the type `str`
72 // check no error cascade
73 let _ = main.f as *const u32; //~ ERROR attempted access of field