bjoernager/rust
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Emit lints in the order in which they occur in the file.

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This commit is contained in:
Nadrieril 2020-11-05 22:17:26 +00:00
parent 25e272e388
commit 107a29a901
2 changed files with 11 additions and 10 deletions
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9
compiler/rustc_mir_build/src/thir/pattern/check_match.rs
View file

@ -390,10 +390,11 @@ fn check_arms<'p, 'tcx>(
} }
} }
Useful(unreachables) => { Useful(unreachables) => {
for set in unreachables { let mut unreachables: Vec<_> = unreachables.into_iter().flatten().collect();
for span in set { // Emit lints in the order in which they occur in the file.
unreachable_pattern(cx.tcx, span, id, None); unreachables.sort_unstable();
} for span in unreachables {
unreachable_pattern(cx.tcx, span, id, None);
} }
} }
UsefulWithWitness(_) => bug!(), UsefulWithWitness(_) => bug!(),

12
src/test/ui/or-patterns/exhaustiveness-unreachable-pattern.stderr
View file

@ -76,18 +76,18 @@ error: unreachable pattern
LL | (1 | 1,) => {} LL | (1 | 1,) => {}
| ^ | ^
error: unreachable pattern
--> $DIR/exhaustiveness-unreachable-pattern.rs:55:15
|
LL | | 0] => {}
| ^
error: unreachable pattern error: unreachable pattern
--> $DIR/exhaustiveness-unreachable-pattern.rs:53:15 --> $DIR/exhaustiveness-unreachable-pattern.rs:53:15
| |
LL | | 0 LL | | 0
| ^ | ^
error: unreachable pattern
--> $DIR/exhaustiveness-unreachable-pattern.rs:55:15
|
LL | | 0] => {}
| ^
error: unreachable pattern error: unreachable pattern
--> $DIR/exhaustiveness-unreachable-pattern.rs:63:10 --> $DIR/exhaustiveness-unreachable-pattern.rs:63:10
| |