diff options
Diffstat (limited to 'tests/ui/unsafe/raw-pointer-field-access-error.rs')
| -rw-r--r-- | tests/ui/unsafe/raw-pointer-field-access-error.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/ui/unsafe/raw-pointer-field-access-error.rs b/tests/ui/unsafe/raw-pointer-field-access-error.rs new file mode 100644 index 00000000000..04b45b2d3c6 --- /dev/null +++ b/tests/ui/unsafe/raw-pointer-field-access-error.rs @@ -0,0 +1,29 @@ +//! Regression test for https://github.com/rust-lang/rust/issues/11004 + +use std::mem; + +struct A { x: i32, y: f64 } + +#[cfg(not(FALSE))] +unsafe fn access(n:*mut A) -> (i32, f64) { + let x : i32 = n.x; //~ ERROR no field `x` on type `*mut A` + let y : f64 = n.y; //~ ERROR no field `y` on type `*mut A` + (x, y) +} + +#[cfg(false)] +unsafe fn access(n:*mut A) -> (i32, f64) { + let x : i32 = (*n).x; + let y : f64 = (*n).y; + (x, y) +} + +fn main() { + let a : A = A { x: 3, y: 3.14 }; + let p : &A = &a; + let (x,y) = unsafe { + let n : *mut A = mem::transmute(p); + access(n) + }; + println!("x: {}, y: {}", x, y); +} |
