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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-07 05:48:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-07 05:48:48 +0000 |
commit | ef24de24a82fe681581cc130f342363c47c0969a (patch) | |
tree | 0d494f7e1a38b95c92426f58fe6eaa877303a86c /tests/ui/unsafe | |
parent | Releasing progress-linux version 1.74.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-ef24de24a82fe681581cc130f342363c47c0969a.tar.xz rustc-ef24de24a82fe681581cc130f342363c47c0969a.zip |
Merging upstream version 1.75.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/unsafe')
14 files changed, 271 insertions, 40 deletions
diff --git a/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.stderr b/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.mir.stderr index fbc621f4d..ea53bf59d 100644 --- a/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.stderr +++ b/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.mir.stderr @@ -1,12 +1,12 @@ warning: call to unsafe function is unsafe and requires unsafe block (error E0133) - --> $DIR/edition-2024-unsafe_op_in_unsafe_fn.rs:12:5 + --> $DIR/edition-2024-unsafe_op_in_unsafe_fn.rs:13:5 | LL | unsf(); | ^^^^^^ call to unsafe function | = note: consult the function's documentation for information on how to avoid undefined behavior note: an unsafe function restricts its caller, but its body is safe by default - --> $DIR/edition-2024-unsafe_op_in_unsafe_fn.rs:11:1 + --> $DIR/edition-2024-unsafe_op_in_unsafe_fn.rs:12:1 | LL | unsafe fn foo() { | ^^^^^^^^^^^^^^^ diff --git a/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.rs b/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.rs index a192f3445..1b429955c 100644 --- a/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.rs +++ b/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.rs @@ -1,17 +1,21 @@ // edition: 2024 // compile-flags: -Zunstable-options // check-pass +// revisions: mir thir +// [thir]compile-flags: -Zthir-unsafeck #![crate_type = "lib"] - #![deny(unused_unsafe)] unsafe fn unsf() {} unsafe fn foo() { unsf(); - //~^ WARN call to unsafe function is unsafe and requires unsafe block + //[mir]~^ WARN call to unsafe function is unsafe and requires unsafe block + //[thir]~^^ WARN call to unsafe function `unsf` is unsafe and requires unsafe block // no unused_unsafe - unsafe { unsf(); } + unsafe { + unsf(); + } } diff --git a/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.thir.stderr b/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.thir.stderr new file mode 100644 index 000000000..d63843ed2 --- /dev/null +++ b/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.thir.stderr @@ -0,0 +1,16 @@ +warning: call to unsafe function `unsf` is unsafe and requires unsafe block (error E0133) + --> $DIR/edition-2024-unsafe_op_in_unsafe_fn.rs:13:5 + | +LL | unsf(); + | ^^^^^^ call to unsafe function + | + = note: consult the function's documentation for information on how to avoid undefined behavior +note: an unsafe function restricts its caller, but its body is safe by default + --> $DIR/edition-2024-unsafe_op_in_unsafe_fn.rs:12:1 + | +LL | unsafe fn foo() { + | ^^^^^^^^^^^^^^^ + = note: `#[warn(unsafe_op_in_unsafe_fn)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/unsafe/initializing-ranged-via-ctor.stderr b/tests/ui/unsafe/initializing-ranged-via-ctor.stderr index d34554c66..13438fd31 100644 --- a/tests/ui/unsafe/initializing-ranged-via-ctor.stderr +++ b/tests/ui/unsafe/initializing-ranged-via-ctor.stderr @@ -1,4 +1,4 @@ -error[E0277]: expected a `FnOnce<({integer},)>` closure, found `unsafe fn(u8) -> NonZeroAndOneU8 {NonZeroAndOneU8}` +error[E0277]: expected a `FnOnce({integer})` closure, found `unsafe fn(u8) -> NonZeroAndOneU8 {NonZeroAndOneU8}` --> $DIR/initializing-ranged-via-ctor.rs:9:34 | LL | println!("{:?}", Some(1).map(NonZeroAndOneU8).unwrap()); diff --git a/tests/ui/unsafe/issue-45107-unnecessary-unsafe-in-closure.thir.stderr b/tests/ui/unsafe/issue-45107-unnecessary-unsafe-in-closure.thir.stderr index 9e9cbcf33..2267da315 100644 --- a/tests/ui/unsafe/issue-45107-unnecessary-unsafe-in-closure.thir.stderr +++ b/tests/ui/unsafe/issue-45107-unnecessary-unsafe-in-closure.thir.stderr @@ -16,9 +16,9 @@ LL | #[deny(unused_unsafe)] error: unnecessary `unsafe` block --> $DIR/issue-45107-unnecessary-unsafe-in-closure.rs:12:38 | -LL | unsafe { - | ------ because it's nested under this `unsafe` block -... +LL | unsafe { + | ------ because it's nested under this `unsafe` block +LL | v.set_len(24); LL | |w: &mut Vec<u32>| { unsafe { | ^^^^^^ unnecessary `unsafe` block diff --git a/tests/ui/unsafe/ranged_ints2.mirunsafeck.stderr b/tests/ui/unsafe/ranged_ints2.mirunsafeck.stderr index 427843f8d..dc6bd72f5 100644 --- a/tests/ui/unsafe/ranged_ints2.mirunsafeck.stderr +++ b/tests/ui/unsafe/ranged_ints2.mirunsafeck.stderr @@ -6,6 +6,14 @@ LL | let y = &mut x.0; | = note: mutating layout constrained fields cannot statically be checked for valid values -error: aborting due to previous error +error[E0133]: mutation of layout constrained field is unsafe and requires unsafe function or block + --> $DIR/ranged_ints2.rs:12:25 + | +LL | if let Some(NonZero(ref mut y)) = Some(x) {} + | ^^^^^^^^^ mutation of layout constrained field + | + = note: mutating layout constrained fields cannot statically be checked for valid values + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/unsafe/ranged_ints2.rs b/tests/ui/unsafe/ranged_ints2.rs index 9a6bb18f9..ad9d598ab 100644 --- a/tests/ui/unsafe/ranged_ints2.rs +++ b/tests/ui/unsafe/ranged_ints2.rs @@ -9,4 +9,5 @@ pub(crate) struct NonZero<T>(pub(crate) T); fn main() { let mut x = unsafe { NonZero(1) }; let y = &mut x.0; //~ ERROR mutation of layout constrained field is unsafe + if let Some(NonZero(ref mut y)) = Some(x) {} //~ ERROR mutation of layout constrained field is unsafe } diff --git a/tests/ui/unsafe/ranged_ints2.thirunsafeck.stderr b/tests/ui/unsafe/ranged_ints2.thirunsafeck.stderr index 427843f8d..dc6bd72f5 100644 --- a/tests/ui/unsafe/ranged_ints2.thirunsafeck.stderr +++ b/tests/ui/unsafe/ranged_ints2.thirunsafeck.stderr @@ -6,6 +6,14 @@ LL | let y = &mut x.0; | = note: mutating layout constrained fields cannot statically be checked for valid values -error: aborting due to previous error +error[E0133]: mutation of layout constrained field is unsafe and requires unsafe function or block + --> $DIR/ranged_ints2.rs:12:25 + | +LL | if let Some(NonZero(ref mut y)) = Some(x) {} + | ^^^^^^^^^ mutation of layout constrained field + | + = note: mutating layout constrained fields cannot statically be checked for valid values + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/unsafe/rfc-2585-unsafe_op_in_unsafe_fn.thir.stderr b/tests/ui/unsafe/rfc-2585-unsafe_op_in_unsafe_fn.thir.stderr index 13c080e5b..ad0621a1d 100644 --- a/tests/ui/unsafe/rfc-2585-unsafe_op_in_unsafe_fn.thir.stderr +++ b/tests/ui/unsafe/rfc-2585-unsafe_op_in_unsafe_fn.thir.stderr @@ -5,6 +5,11 @@ LL | unsf(); | ^^^^^^ call to unsafe function | = note: consult the function's documentation for information on how to avoid undefined behavior +note: an unsafe function restricts its caller, but its body is safe by default + --> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:11:1 + | +LL | unsafe fn deny_level() { + | ^^^^^^^^^^^^^^^^^^^^^^ note: the lint level is defined here --> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:4:9 | @@ -46,6 +51,11 @@ LL | unsf(); | ^^^^^^ call to unsafe function | = note: consult the function's documentation for information on how to avoid undefined behavior +note: an unsafe function restricts its caller, but its body is safe by default + --> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:27:1 + | +LL | unsafe fn warning_level() { + | ^^^^^^^^^^^^^^^^^^^^^^^^^ note: the lint level is defined here --> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:26:8 | @@ -76,12 +86,10 @@ LL | unsafe {} | ^^^^^^ unnecessary `unsafe` block error: unnecessary `unsafe` block - --> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:49:14 + --> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:49:5 | LL | unsafe { unsafe { unsf() } } - | ------ ^^^^^^ unnecessary `unsafe` block - | | - | because it's nested under this `unsafe` block + | ^^^^^^ unnecessary `unsafe` block error[E0133]: call to unsafe function `unsf` is unsafe and requires unsafe block --> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:76:5 diff --git a/tests/ui/unsafe/wrapping-unsafe-block-sugg.fixed b/tests/ui/unsafe/wrapping-unsafe-block-sugg.mir.fixed index db1c10221..b59029df6 100644 --- a/tests/ui/unsafe/wrapping-unsafe-block-sugg.fixed +++ b/tests/ui/unsafe/wrapping-unsafe-block-sugg.mir.fixed @@ -1,7 +1,10 @@ // run-rustfix // aux-build:external_unsafe_macro.rs +// revisions: mir thir +// [thir]compile-flags: -Zthir-unsafeck #![deny(unsafe_op_in_unsafe_fn)] //~ NOTE +#![crate_name = "wrapping_unsafe_block_sugg"] extern crate external_unsafe_macro; @@ -9,11 +12,13 @@ unsafe fn unsf() {} pub unsafe fn foo() { unsafe { //~^ NOTE an unsafe function restricts its caller, but its body is safe by default - unsf(); //~ ERROR call to unsafe function is unsafe - //~^ NOTE + unsf(); //[mir]~ ERROR call to unsafe function is unsafe + //[thir]~^ ERROR call to unsafe function `unsf` is unsafe + //~^^ NOTE //~| NOTE - unsf(); //~ ERROR call to unsafe function is unsafe - //~^ NOTE + unsf(); //[mir]~ ERROR call to unsafe function is unsafe + //[thir]~^ ERROR call to unsafe function `unsf` is unsafe + //~^^ NOTE //~| NOTE }} @@ -39,10 +44,12 @@ pub unsafe fn baz() -> i32 { unsafe { }} macro_rules! unsafe_macro { () => (unsf()) } -//~^ ERROR call to unsafe function is unsafe +//[mir]~^ ERROR call to unsafe function is unsafe +//[thir]~^^ ERROR call to unsafe function `unsf` is unsafe //~| NOTE //~| NOTE -//~| ERROR call to unsafe function is unsafe +//[mir]~| ERROR call to unsafe function is unsafe +//[thir]~| ERROR call to unsafe function `unsf` is unsafe //~| NOTE //~| NOTE diff --git a/tests/ui/unsafe/wrapping-unsafe-block-sugg.stderr b/tests/ui/unsafe/wrapping-unsafe-block-sugg.mir.stderr index 43f619c27..7a1b83c73 100644 --- a/tests/ui/unsafe/wrapping-unsafe-block-sugg.stderr +++ b/tests/ui/unsafe/wrapping-unsafe-block-sugg.mir.stderr @@ -1,23 +1,23 @@ error: call to unsafe function is unsafe and requires unsafe block (error E0133) - --> $DIR/wrapping-unsafe-block-sugg.rs:12:5 + --> $DIR/wrapping-unsafe-block-sugg.rs:15:5 | LL | unsf(); | ^^^^^^ call to unsafe function | = note: consult the function's documentation for information on how to avoid undefined behavior note: an unsafe function restricts its caller, but its body is safe by default - --> $DIR/wrapping-unsafe-block-sugg.rs:10:1 + --> $DIR/wrapping-unsafe-block-sugg.rs:13:1 | LL | pub unsafe fn foo() { | ^^^^^^^^^^^^^^^^^^^ note: the lint level is defined here - --> $DIR/wrapping-unsafe-block-sugg.rs:4:9 + --> $DIR/wrapping-unsafe-block-sugg.rs:6:9 | LL | #![deny(unsafe_op_in_unsafe_fn)] | ^^^^^^^^^^^^^^^^^^^^^^ error: call to unsafe function is unsafe and requires unsafe block (error E0133) - --> $DIR/wrapping-unsafe-block-sugg.rs:15:5 + --> $DIR/wrapping-unsafe-block-sugg.rs:19:5 | LL | unsf(); | ^^^^^^ call to unsafe function @@ -25,20 +25,20 @@ LL | unsf(); = note: consult the function's documentation for information on how to avoid undefined behavior error: dereference of raw pointer is unsafe and requires unsafe block (error E0133) - --> $DIR/wrapping-unsafe-block-sugg.rs:22:13 + --> $DIR/wrapping-unsafe-block-sugg.rs:27:13 | LL | let y = *x; | ^^ dereference of raw pointer | = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior note: an unsafe function restricts its caller, but its body is safe by default - --> $DIR/wrapping-unsafe-block-sugg.rs:20:1 + --> $DIR/wrapping-unsafe-block-sugg.rs:25:1 | LL | pub unsafe fn bar(x: *const i32) -> i32 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: dereference of raw pointer is unsafe and requires unsafe block (error E0133) - --> $DIR/wrapping-unsafe-block-sugg.rs:25:9 + --> $DIR/wrapping-unsafe-block-sugg.rs:30:9 | LL | y + *x | ^^ dereference of raw pointer @@ -46,20 +46,20 @@ LL | y + *x = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior error: use of mutable static is unsafe and requires unsafe block (error E0133) - --> $DIR/wrapping-unsafe-block-sugg.rs:33:13 + --> $DIR/wrapping-unsafe-block-sugg.rs:38:13 | LL | let y = BAZ; | ^^^ use of mutable static | = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior note: an unsafe function restricts its caller, but its body is safe by default - --> $DIR/wrapping-unsafe-block-sugg.rs:31:1 + --> $DIR/wrapping-unsafe-block-sugg.rs:36:1 | LL | pub unsafe fn baz() -> i32 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of mutable static is unsafe and requires unsafe block (error E0133) - --> $DIR/wrapping-unsafe-block-sugg.rs:36:9 + --> $DIR/wrapping-unsafe-block-sugg.rs:41:9 | LL | y + BAZ | ^^^ use of mutable static @@ -67,7 +67,7 @@ LL | y + BAZ = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior error: call to unsafe function is unsafe and requires unsafe block (error E0133) - --> $DIR/wrapping-unsafe-block-sugg.rs:41:36 + --> $DIR/wrapping-unsafe-block-sugg.rs:46:36 | LL | macro_rules! unsafe_macro { () => (unsf()) } | ^^^^^^ call to unsafe function @@ -77,14 +77,14 @@ LL | unsafe_macro!(); | = note: consult the function's documentation for information on how to avoid undefined behavior note: an unsafe function restricts its caller, but its body is safe by default - --> $DIR/wrapping-unsafe-block-sugg.rs:49:1 + --> $DIR/wrapping-unsafe-block-sugg.rs:56:1 | LL | pub unsafe fn unsafe_in_macro() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this error originates in the macro `unsafe_macro` (in Nightly builds, run with -Z macro-backtrace for more info) error: call to unsafe function is unsafe and requires unsafe block (error E0133) - --> $DIR/wrapping-unsafe-block-sugg.rs:41:36 + --> $DIR/wrapping-unsafe-block-sugg.rs:46:36 | LL | macro_rules! unsafe_macro { () => (unsf()) } | ^^^^^^ call to unsafe function diff --git a/tests/ui/unsafe/wrapping-unsafe-block-sugg.rs b/tests/ui/unsafe/wrapping-unsafe-block-sugg.rs index 9c6be4589..3629b8a1b 100644 --- a/tests/ui/unsafe/wrapping-unsafe-block-sugg.rs +++ b/tests/ui/unsafe/wrapping-unsafe-block-sugg.rs @@ -1,7 +1,10 @@ // run-rustfix // aux-build:external_unsafe_macro.rs +// revisions: mir thir +// [thir]compile-flags: -Zthir-unsafeck #![deny(unsafe_op_in_unsafe_fn)] //~ NOTE +#![crate_name = "wrapping_unsafe_block_sugg"] extern crate external_unsafe_macro; @@ -9,11 +12,13 @@ unsafe fn unsf() {} pub unsafe fn foo() { //~^ NOTE an unsafe function restricts its caller, but its body is safe by default - unsf(); //~ ERROR call to unsafe function is unsafe - //~^ NOTE + unsf(); //[mir]~ ERROR call to unsafe function is unsafe + //[thir]~^ ERROR call to unsafe function `unsf` is unsafe + //~^^ NOTE //~| NOTE - unsf(); //~ ERROR call to unsafe function is unsafe - //~^ NOTE + unsf(); //[mir]~ ERROR call to unsafe function is unsafe + //[thir]~^ ERROR call to unsafe function `unsf` is unsafe + //~^^ NOTE //~| NOTE } @@ -39,10 +44,12 @@ pub unsafe fn baz() -> i32 { } macro_rules! unsafe_macro { () => (unsf()) } -//~^ ERROR call to unsafe function is unsafe +//[mir]~^ ERROR call to unsafe function is unsafe +//[thir]~^^ ERROR call to unsafe function `unsf` is unsafe //~| NOTE //~| NOTE -//~| ERROR call to unsafe function is unsafe +//[mir]~| ERROR call to unsafe function is unsafe +//[thir]~| ERROR call to unsafe function `unsf` is unsafe //~| NOTE //~| NOTE diff --git a/tests/ui/unsafe/wrapping-unsafe-block-sugg.thir.fixed b/tests/ui/unsafe/wrapping-unsafe-block-sugg.thir.fixed new file mode 100644 index 000000000..b59029df6 --- /dev/null +++ b/tests/ui/unsafe/wrapping-unsafe-block-sugg.thir.fixed @@ -0,0 +1,73 @@ +// run-rustfix +// aux-build:external_unsafe_macro.rs +// revisions: mir thir +// [thir]compile-flags: -Zthir-unsafeck + +#![deny(unsafe_op_in_unsafe_fn)] //~ NOTE +#![crate_name = "wrapping_unsafe_block_sugg"] + +extern crate external_unsafe_macro; + +unsafe fn unsf() {} + +pub unsafe fn foo() { unsafe { + //~^ NOTE an unsafe function restricts its caller, but its body is safe by default + unsf(); //[mir]~ ERROR call to unsafe function is unsafe + //[thir]~^ ERROR call to unsafe function `unsf` is unsafe + //~^^ NOTE + //~| NOTE + unsf(); //[mir]~ ERROR call to unsafe function is unsafe + //[thir]~^ ERROR call to unsafe function `unsf` is unsafe + //~^^ NOTE + //~| NOTE +}} + +pub unsafe fn bar(x: *const i32) -> i32 { unsafe { + //~^ NOTE an unsafe function restricts its caller, but its body is safe by default + let y = *x; //~ ERROR dereference of raw pointer is unsafe and requires unsafe block + //~^ NOTE + //~| NOTE + y + *x //~ ERROR dereference of raw pointer is unsafe and requires unsafe block + //~^ NOTE + //~| NOTE +}} + +static mut BAZ: i32 = 0; +pub unsafe fn baz() -> i32 { unsafe { + //~^ NOTE an unsafe function restricts its caller, but its body is safe by default + let y = BAZ; //~ ERROR use of mutable static is unsafe and requires unsafe block + //~^ NOTE + //~| NOTE + y + BAZ //~ ERROR use of mutable static is unsafe and requires unsafe block + //~^ NOTE + //~| NOTE +}} + +macro_rules! unsafe_macro { () => (unsf()) } +//[mir]~^ ERROR call to unsafe function is unsafe +//[thir]~^^ ERROR call to unsafe function `unsf` is unsafe +//~| NOTE +//~| NOTE +//[mir]~| ERROR call to unsafe function is unsafe +//[thir]~| ERROR call to unsafe function `unsf` is unsafe +//~| NOTE +//~| NOTE + +pub unsafe fn unsafe_in_macro() { unsafe { + //~^ NOTE an unsafe function restricts its caller, but its body is safe by default + unsafe_macro!(); + //~^ NOTE + //~| NOTE + unsafe_macro!(); + //~^ NOTE + //~| NOTE +}} + +pub unsafe fn unsafe_in_external_macro() { + // FIXME: https://github.com/rust-lang/rust/issues/112504 + // FIXME: ~^ NOTE an unsafe function restricts its caller, but its body is safe by default + external_unsafe_macro::unsafe_macro!(); + external_unsafe_macro::unsafe_macro!(); +} + +fn main() {} diff --git a/tests/ui/unsafe/wrapping-unsafe-block-sugg.thir.stderr b/tests/ui/unsafe/wrapping-unsafe-block-sugg.thir.stderr new file mode 100644 index 000000000..b1fb35f85 --- /dev/null +++ b/tests/ui/unsafe/wrapping-unsafe-block-sugg.thir.stderr @@ -0,0 +1,99 @@ +error: call to unsafe function `unsf` is unsafe and requires unsafe block (error E0133) + --> $DIR/wrapping-unsafe-block-sugg.rs:15:5 + | +LL | unsf(); + | ^^^^^^ call to unsafe function + | + = note: consult the function's documentation for information on how to avoid undefined behavior +note: an unsafe function restricts its caller, but its body is safe by default + --> $DIR/wrapping-unsafe-block-sugg.rs:13:1 + | +LL | pub unsafe fn foo() { + | ^^^^^^^^^^^^^^^^^^^ +note: the lint level is defined here + --> $DIR/wrapping-unsafe-block-sugg.rs:6:9 + | +LL | #![deny(unsafe_op_in_unsafe_fn)] + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: call to unsafe function `unsf` is unsafe and requires unsafe block (error E0133) + --> $DIR/wrapping-unsafe-block-sugg.rs:19:5 + | +LL | unsf(); + | ^^^^^^ call to unsafe function + | + = note: consult the function's documentation for information on how to avoid undefined behavior + +error: dereference of raw pointer is unsafe and requires unsafe block (error E0133) + --> $DIR/wrapping-unsafe-block-sugg.rs:27:13 + | +LL | let y = *x; + | ^^ dereference of raw pointer + | + = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior +note: an unsafe function restricts its caller, but its body is safe by default + --> $DIR/wrapping-unsafe-block-sugg.rs:25:1 + | +LL | pub unsafe fn bar(x: *const i32) -> i32 { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: dereference of raw pointer is unsafe and requires unsafe block (error E0133) + --> $DIR/wrapping-unsafe-block-sugg.rs:30:9 + | +LL | y + *x + | ^^ dereference of raw pointer + | + = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior + +error: use of mutable static is unsafe and requires unsafe block (error E0133) + --> $DIR/wrapping-unsafe-block-sugg.rs:38:13 + | +LL | let y = BAZ; + | ^^^ use of mutable static + | + = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior +note: an unsafe function restricts its caller, but its body is safe by default + --> $DIR/wrapping-unsafe-block-sugg.rs:36:1 + | +LL | pub unsafe fn baz() -> i32 { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: use of mutable static is unsafe and requires unsafe block (error E0133) + --> $DIR/wrapping-unsafe-block-sugg.rs:41:9 + | +LL | y + BAZ + | ^^^ use of mutable static + | + = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior + +error: call to unsafe function `unsf` is unsafe and requires unsafe block (error E0133) + --> $DIR/wrapping-unsafe-block-sugg.rs:46:36 + | +LL | macro_rules! unsafe_macro { () => (unsf()) } + | ^^^^^^ call to unsafe function +... +LL | unsafe_macro!(); + | --------------- in this macro invocation + | + = note: consult the function's documentation for information on how to avoid undefined behavior +note: an unsafe function restricts its caller, but its body is safe by default + --> $DIR/wrapping-unsafe-block-sugg.rs:56:1 + | +LL | pub unsafe fn unsafe_in_macro() { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: this error originates in the macro `unsafe_macro` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: call to unsafe function `unsf` is unsafe and requires unsafe block (error E0133) + --> $DIR/wrapping-unsafe-block-sugg.rs:46:36 + | +LL | macro_rules! unsafe_macro { () => (unsf()) } + | ^^^^^^ call to unsafe function +... +LL | unsafe_macro!(); + | --------------- in this macro invocation + | + = note: consult the function's documentation for information on how to avoid undefined behavior + = note: this error originates in the macro `unsafe_macro` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 8 previous errors + |