817adda794
Five of the files being skipped here are because rustfmt is buggy (see
the error messages below). The others have clearly preferable manual
formatting.
error[internal]: left behind trailing whitespace
--> tests/fail/validity/transmute_through_ptr.rs:18:18:1
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18 |
| ^^^^
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warning: rustfmt has failed to format. See previous 1 errors.
error[internal]: left behind trailing whitespace
--> tests/fail/stacked_borrows/illegal_read2.rs:10:10:1
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10 |
| ^^^^
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warning: rustfmt has failed to format. See previous 1 errors.
error[internal]: left behind trailing whitespace
--> tests/fail/stacked_borrows/illegal_read5.rs:15:15:1
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15 |
| ^^^^
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warning: rustfmt has failed to format. See previous 1 errors.
error[internal]: left behind trailing whitespace
--> tests/fail/stacked_borrows/illegal_read1.rs:10:10:1
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10 |
| ^^^^
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warning: rustfmt has failed to format. See previous 1 errors.
error[internal]: left behind trailing whitespace
--> tests/fail/erroneous_const2.rs:9:9:1
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9 |
| ^^^^
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warning: rustfmt has failed to format. See previous 1 errors.
17 lines
499 B
Rust
17 lines
499 B
Rust
// A callee may not read the destination of our `&mut` without
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// us noticing.
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#[rustfmt::skip] // rustfmt bug: https://github.com/rust-lang/rustfmt/issues/5391
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fn main() {
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let mut x = 15;
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let xraw = &mut x as *mut _;
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let xref = unsafe { &mut *xraw }; // derived from raw, so using raw is still ok...
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callee(xraw);
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let _val = *xref; // ...but any use of raw will invalidate our ref.
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//~^ ERROR: borrow stack
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}
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fn callee(xraw: *mut i32) {
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let _val = unsafe { *xraw };
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}
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