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Auto merge of #112013 - matthiaskrgr:rollup-a4pg2p8, r=matthiaskrgr
Rollup of 8 pull requests Successful merges: - #111714 (Stop confusing specification levels when computing expectations.) - #111927 (Migrate `item_static` to Askama) - #111954 (improve error message for calling a method on a raw pointer with an unknown pointee) - #111973 (Update current implementation comments for `select_nth_unstable`) - #111976 (Generate docs for bootstrap itself) - #111977 (Make errors from `x doc` less verbose) - #111987 (do not prefer substs relate during coherence) - #111991 (Change ty and const error's pretty printing to be in braces) r? `@ghost` `@rustbot` modify labels: rollup
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7 changes: 7 additions & 0 deletions
7
tests/ui/lint/rfc-2383-lint-reason/root-attribute-confusion.rs
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// check-pass | ||
// compile-flags: -Dunused_attributes | ||
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#![deny(unused_crate_dependencies)] | ||
#![feature(lint_reasons)] | ||
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fn main() {} |
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// edition: 2018 | ||
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// tests that the pointee type of a raw pointer must be known to call methods on it | ||
// see also: `tests/ui/editions/edition-raw-pointer-method-2018.rs` | ||
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fn main() { | ||
let val = 1_u32; | ||
let ptr = &val as *const u32; | ||
unsafe { | ||
let _a: i32 = (ptr as *const _).read(); | ||
//~^ ERROR cannot call a method on a raw pointer with an unknown pointee type [E0699] | ||
let b = ptr as *const _; | ||
let _b: u8 = b.read(); | ||
//~^ ERROR cannot call a method on a raw pointer with an unknown pointee type [E0699] | ||
let _c = (ptr as *const u8).read(); // we know the type here | ||
} | ||
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let mut val = 2_u32; | ||
let ptr = &mut val as *mut u32; | ||
unsafe { | ||
let _a: i32 = (ptr as *mut _).read(); | ||
//~^ ERROR cannot call a method on a raw pointer with an unknown pointee type [E0699] | ||
let b = ptr as *mut _; | ||
b.write(10); | ||
//~^ ERROR cannot call a method on a raw pointer with an unknown pointee type [E0699] | ||
(ptr as *mut i32).write(1000); // we know the type here | ||
} | ||
} |
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error[E0699]: cannot call a method on a raw pointer with an unknown pointee type | ||
--> $DIR/call_method_unknown_pointee.rs:10:41 | ||
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LL | let _a: i32 = (ptr as *const _).read(); | ||
| ^^^^ | ||
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error[E0699]: cannot call a method on a raw pointer with an unknown pointee type | ||
--> $DIR/call_method_unknown_pointee.rs:13:24 | ||
| | ||
LL | let _b: u8 = b.read(); | ||
| ^^^^ | ||
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error[E0699]: cannot call a method on a raw pointer with an unknown pointee type | ||
--> $DIR/call_method_unknown_pointee.rs:21:39 | ||
| | ||
LL | let _a: i32 = (ptr as *mut _).read(); | ||
| ^^^^ | ||
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error[E0699]: cannot call a method on a raw pointer with an unknown pointee type | ||
--> $DIR/call_method_unknown_pointee.rs:24:11 | ||
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LL | b.write(10); | ||
| ^^^^^ | ||
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error: aborting due to 4 previous errors | ||
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For more information about this error, try `rustc --explain E0699`. |
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