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Always report alignment failures in future incompat summaries

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This commit is contained in:
Oli Scherer 2022-11-22 11:52:26 +00:00
parent d9d92ed7da
commit 98dc76a374
3 changed files with 37 additions and 0 deletions
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1
compiler/rustc_lint_defs/src/builtin.rs
View File

@ -1052,6 +1052,7 @@ declare_lint! {
"raw pointers must be aligned before dereferencing",
@future_incompatible = FutureIncompatibleInfo {
reference: "issue #68585 <https://github.com/rust-lang/rust/issues/104616>",
reason: FutureIncompatibilityReason::FutureReleaseErrorReportNow,
};
}

18
src/test/ui/consts/const-eval/ub-ref-ptr.32bit.stderr
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@ -168,3 +168,21 @@ LL | ptr.read();
error: aborting due to 15 previous errors
For more information about this error, try `rustc --explain E0080`.
Future incompatibility report: Future breakage diagnostic:
error: accessing memory with alignment 1, but alignment 4 is required
--> $SRC_DIR/core/src/ptr/mod.rs:LL:COL
|
= note: inside `std::ptr::read::<u32>`
--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
|
= note: inside `ptr::const_ptr::<impl *const u32>::read`
|
::: $DIR/ub-ref-ptr.rs:65:5
|
LL | ptr.read();
| ---------- inside `UNALIGNED_READ`
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #68585 <https://github.com/rust-lang/rust/issues/104616>
= note: `#[deny(invalid_alignment)]` on by default

18
src/test/ui/consts/const-eval/ub-ref-ptr.64bit.stderr
View File

@ -168,3 +168,21 @@ LL | ptr.read();
error: aborting due to 15 previous errors
For more information about this error, try `rustc --explain E0080`.
Future incompatibility report: Future breakage diagnostic:
error: accessing memory with alignment 1, but alignment 4 is required
--> $SRC_DIR/core/src/ptr/mod.rs:LL:COL
|
= note: inside `std::ptr::read::<u32>`
--> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
|
= note: inside `ptr::const_ptr::<impl *const u32>::read`
|
::: $DIR/ub-ref-ptr.rs:65:5
|
LL | ptr.read();
| ---------- inside `UNALIGNED_READ`
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #68585 <https://github.com/rust-lang/rust/issues/104616>
= note: `#[deny(invalid_alignment)]` on by default