rust/tests/ui/lint/lint-strict-provenance-fuzzy-casts.stderr

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error: strict provenance disallows casting integer `usize` to pointer `*const u8`
--> $DIR/lint-strict-provenance-fuzzy-casts.rs:5:20
|
LL | let dangling = 16_usize as *const u8;
| ^^^^^^^^^^^^^^^^^^^^^
|
2022-09-18 10:55:36 -05:00
= help: if you can't comply with strict provenance and don't have a pointer with the correct provenance you can use `std::ptr::from_exposed_addr()` instead
note: the lint level is defined here
--> $DIR/lint-strict-provenance-fuzzy-casts.rs:2:9
|
LL | #![deny(fuzzy_provenance_casts)]
| ^^^^^^^^^^^^^^^^^^^^^^
help: use `.with_addr()` to adjust a valid pointer in the same allocation, to this address
|
LL | let dangling = (...).with_addr(16_usize);
| ++++++++++++++++ ~
error: aborting due to 1 previous error