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Update Tests and Error Code Doc
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‎compiler/rustc_error_codes/src/error_codes/E0267.md

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@@ -4,7 +4,7 @@ any loop.
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Erroneous code example:
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```compile_fail,E0267
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let w = || { break; }; // error: `break` inside of a closure
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let w = || { break; }; // error: `break` inside a closure
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```
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`break` and `continue` keywords can be used as normal inside closures as long as

‎tests/ui/async-await/async-block-control-flow-static-semantics.rs

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@@ -29,14 +29,14 @@ async fn return_targets_async_block_not_async_fn() -> u8 {
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fn no_break_in_async_block() {
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async {
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break 0u8; //~ ERROR `break` inside of an `async` block
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break 0u8; //~ ERROR `break` inside an `async` block
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};
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}
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fn no_break_in_async_block_even_with_outer_loop() {
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loop {
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async {
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break 0u8; //~ ERROR `break` inside of an `async` block
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break 0u8; //~ ERROR `break` inside an `async` block
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};
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}
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}

‎tests/ui/async-await/async-block-control-flow-static-semantics.stderr

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error[E0267]: `break` inside of an `async` block
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error[E0267]: `break` inside an `async` block
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--> $DIR/async-block-control-flow-static-semantics.rs:32:9
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|
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LL | / async {
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LL | | break 0u8;
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| | ^^^^^^^^^ cannot `break` inside of an `async` block
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| | ^^^^^^^^^ cannot `break` inside an `async` block
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LL | | };
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| |_____- enclosing `async` block
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error[E0267]: `break` inside of an `async` block
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error[E0267]: `break` inside an `async` block
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--> $DIR/async-block-control-flow-static-semantics.rs:39:13
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|
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LL | / async {
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LL | | break 0u8;
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| | ^^^^^^^^^ cannot `break` inside of an `async` block
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| | ^^^^^^^^^ cannot `break` inside an `async` block
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LL | | };
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| |_________- enclosing `async` block
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‎tests/ui/coroutine/break-inside-coroutine-issue-124495.rs

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//@ edition: 2024
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//@ compile-flags: -Z unstable-options
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#![feature(gen_blocks)]
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#![feature(async_closure)]
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async fn async_fn() {
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break; //~ ERROR `break` inside an `async` function
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}
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gen fn gen_fn() {
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break; //~ ERROR `break` inside a `gen` function
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}
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async gen fn async_gen_fn() {
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break; //~ ERROR `break` inside an `async gen` function
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}
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fn main() {
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let _ = async { break; }; //~ ERROR `break` inside an `async` block
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let _ = async || { break; }; //~ ERROR `break` inside an `async` closure
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let _ = gen { break; }; //~ ERROR `break` inside a `gen` block
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let _ = async gen { break; }; //~ ERROR `break` inside an `async gen` block
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}

‎tests/ui/coroutine/break-inside-coroutine-issue-124495.stderr

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error[E0267]: `break` inside an `async` function
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--> $DIR/break-inside-coroutine-issue-124495.rs:8:5
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|
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LL | async fn async_fn() {
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| _____________________-
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LL | | break;
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| | ^^^^^ cannot `break` inside an `async` function
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LL | | }
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| |_- enclosing `async` function
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error[E0267]: `break` inside a `gen` function
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--> $DIR/break-inside-coroutine-issue-124495.rs:12:5
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|
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LL | gen fn gen_fn() {
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| _________________-
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LL | | break;
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| | ^^^^^ cannot `break` inside a `gen` function
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LL | | }
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| |_- enclosing `gen` function
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error[E0267]: `break` inside an `async gen` function
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--> $DIR/break-inside-coroutine-issue-124495.rs:16:5
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|
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LL | async gen fn async_gen_fn() {
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| _____________________________-
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LL | | break;
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| | ^^^^^ cannot `break` inside an `async gen` function
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LL | | }
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| |_- enclosing `async gen` function
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error[E0267]: `break` inside an `async` block
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--> $DIR/break-inside-coroutine-issue-124495.rs:20:21
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|
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LL | let _ = async { break; };
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| --------^^^^^---
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| | |
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| | cannot `break` inside an `async` block
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| enclosing `async` block
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error[E0267]: `break` inside an `async` closure
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--> $DIR/break-inside-coroutine-issue-124495.rs:21:24
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|
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LL | let _ = async || { break; };
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| --^^^^^---
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| | |
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| | cannot `break` inside an `async` closure
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| enclosing `async` closure
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error[E0267]: `break` inside a `gen` block
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--> $DIR/break-inside-coroutine-issue-124495.rs:23:19
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|
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LL | let _ = gen { break; };
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| ------^^^^^---
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| | |
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| | cannot `break` inside a `gen` block
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| enclosing `gen` block
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error[E0267]: `break` inside an `async gen` block
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--> $DIR/break-inside-coroutine-issue-124495.rs:25:25
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|
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LL | let _ = async gen { break; };
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| ------------^^^^^---
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| | |
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| | cannot `break` inside an `async gen` block
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| enclosing `async gen` block
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error: aborting due to 7 previous errors
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For more information about this error, try `rustc --explain E0267`.

‎tests/ui/error-codes/E0267.stderr

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error[E0267]: `break` inside of a closure
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error[E0267]: `break` inside a closure
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--> $DIR/E0267.rs:2:18
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|
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LL | let w = || { break; };
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| -- ^^^^^ cannot `break` inside of a closure
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| -- ^^^^^ cannot `break` inside a closure
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| |
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| enclosing closure
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‎tests/ui/for-loop-while/break-outside-loop.rs

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@@ -14,8 +14,8 @@ fn main() {
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if cond() { break }
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if cond() { continue }
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foo(|| {
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if cond() { break } //~ ERROR: `break` inside of a closure
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if cond() { continue } //~ ERROR: `continue` inside of a closure
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if cond() { break } //~ ERROR: `break` inside a closure
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if cond() { continue } //~ ERROR: `continue` inside a closure
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})
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}
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|| {
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break 'lab;
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//~^ ERROR use of unreachable label `'lab`
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//~| ERROR `break` inside of a closure
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//~| ERROR `break` inside a closure
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};
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}
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}

‎tests/ui/for-loop-while/break-outside-loop.stderr

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LL | if cond() { continue }
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| ^^^^^^^^ cannot `continue` outside of a loop
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error[E0267]: `break` inside of a closure
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error[E0267]: `break` inside a closure
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--> $DIR/break-outside-loop.rs:17:25
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|
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LL | foo(|| {
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| -- enclosing closure
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LL | if cond() { break }
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| ^^^^^ cannot `break` inside of a closure
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| ^^^^^ cannot `break` inside a closure
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error[E0267]: `continue` inside of a closure
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error[E0267]: `continue` inside a closure
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--> $DIR/break-outside-loop.rs:18:25
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|
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LL | foo(|| {
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| -- enclosing closure
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LL | if cond() { break }
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LL | if cond() { continue }
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| ^^^^^^^^ cannot `continue` inside of a closure
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| ^^^^^^^^ cannot `continue` inside a closure
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error[E0268]: `break` outside of a loop or labeled block
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--> $DIR/break-outside-loop.rs:24:25
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|
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LL | let unconstrained = break;
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| ^^^^^ cannot `break` outside of a loop or labeled block
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error[E0267]: `break` inside of a closure
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error[E0267]: `break` inside a closure
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--> $DIR/break-outside-loop.rs:30:13
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|
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LL | || {
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| -- enclosing closure
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LL | break 'lab;
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| ^^^^^^^^^^ cannot `break` inside of a closure
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| ^^^^^^^^^^ cannot `break` inside a closure
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error: aborting due to 7 previous errors
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‎tests/ui/issues/issue-62480.rs

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'a: {
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|| break 'a
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//~^ ERROR use of unreachable label `'a`
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//~| ERROR `break` inside of a closure
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//~| ERROR `break` inside a closure
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}
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}

‎tests/ui/issues/issue-62480.stderr

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|
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= note: labels are unreachable through functions, closures, async blocks and modules
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error[E0267]: `break` inside of a closure
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error[E0267]: `break` inside a closure
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--> $DIR/issue-62480.rs:6:12
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LL | || break 'a
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| -- ^^^^^^^^ cannot `break` inside of a closure
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| -- ^^^^^^^^ cannot `break` inside a closure
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| |
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| enclosing closure
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‎tests/ui/issues/issue-66702-break-outside-loop-val.rs

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'some_label: loop {
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|| break 'some_label ();
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//~^ ERROR: use of unreachable label `'some_label`
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//~| ERROR: `break` inside of a closure
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//~| ERROR: `break` inside a closure
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}
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}

‎tests/ui/issues/issue-66702-break-outside-loop-val.stderr

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|
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= note: labels are unreachable through functions, closures, async blocks and modules
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error[E0267]: `break` inside of a closure
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error[E0267]: `break` inside a closure
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--> $DIR/issue-66702-break-outside-loop-val.rs:5:12
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|
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LL | || break 'some_label ();
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| -- ^^^^^^^^^^^^^^^^^^^^ cannot `break` inside of a closure
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| -- ^^^^^^^^^^^^^^^^^^^^ cannot `break` inside a closure
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| |
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| enclosing closure
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