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| author | Ralf Jung <post@ralfj.de> | 2021-12-09 12:45:00 -0500 |
|---|---|---|
| committer | Ralf Jung <post@ralfj.de> | 2021-12-09 16:48:51 -0500 |
| commit | 7d18a456cafa4bc09fe6ac014b208e3f9570f18b (patch) | |
| tree | 019e2681bd00a462ea7e8a06ac034cc87247038a /src/test/ui/binding | |
| parent | e25077704164071a1ef87cdc90fe7dd1872ba3fa (diff) | |
| download | rust-7d18a456cafa4bc09fe6ac014b208e3f9570f18b.tar.gz rust-7d18a456cafa4bc09fe6ac014b208e3f9570f18b.zip | |
give more help in the unaligned_references lint
Diffstat (limited to 'src/test/ui/binding')
| -rw-r--r-- | src/test/ui/binding/issue-53114-safety-checks.stderr | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/test/ui/binding/issue-53114-safety-checks.stderr b/src/test/ui/binding/issue-53114-safety-checks.stderr index 9e7deea4524..84cdb1453f8 100644 --- a/src/test/ui/binding/issue-53114-safety-checks.stderr +++ b/src/test/ui/binding/issue-53114-safety-checks.stderr @@ -8,6 +8,7 @@ LL | let _ = &p.b; = 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 #82523 <https://github.com/rust-lang/rust/issues/82523> = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) + = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) warning: reference to packed field is unaligned --> $DIR/issue-53114-safety-checks.rs:29:17 @@ -18,6 +19,7 @@ LL | let (_,) = (&p.b,); = 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 #82523 <https://github.com/rust-lang/rust/issues/82523> = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) + = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) warning: reference to packed field is unaligned --> $DIR/issue-53114-safety-checks.rs:39:11 @@ -28,6 +30,7 @@ LL | match &p.b { _ => { } } = 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 #82523 <https://github.com/rust-lang/rust/issues/82523> = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) + = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) warning: reference to packed field is unaligned --> $DIR/issue-53114-safety-checks.rs:45:12 @@ -38,6 +41,7 @@ LL | match (&p.b,) { (_,) => { } } = 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 #82523 <https://github.com/rust-lang/rust/issues/82523> = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) + = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0133]: access to union field is unsafe and requires unsafe function or block --> $DIR/issue-53114-safety-checks.rs:26:13 |