rust/tests/ui/unsafe/unsafe-fn-deref-ptr.rs

// revisions: mir thir
// [thir]compile-flags: -Z thir-unsafeck

fn f(p: *const u8) -> u8 {
    return *p; //~ ERROR dereference of raw pointer is unsafe
}

fn main() {
}
Check for raw pointer dereference in THIR unsafeck 2021-05-14 21:19:59 +00:00			`// revisions: mir thir`
			`// [thir]compile-flags: -Z thir-unsafeck`

Rename all raw pointers as necessary 2014-06-25 19:47:34 +00:00			`fn f(p: *const u8) -> u8 {`
improve error message shown for unsafe operations: explain why undefined behavior could arise Inspired by @gnzlbg at https://github.com/rust-lang/rust/issues/46043#issuecomment-381544673 2018-07-10 08:52:05 +00:00			`return *p; //~ ERROR dereference of raw pointer is unsafe`
prohibit ptr deref unless in unsafe code 2011-10-12 04:08:01 +00:00			`}`

			`fn main() {`
			`}`