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Add note to the move size diagnostic #95478

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merged 1 commit into from
Mar 31, 2022
Merged

Add note to the move size diagnostic #95478

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1 change: 1 addition & 0 deletions compiler/rustc_monomorphize/src/collector.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -859,6 +859,7 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirNeighborCollector<'a, 'tcx> {
|lint| {
let mut err = lint.build(&format!("moving {} bytes", layout.size.bytes()));
err.span_label(source_info.span, "value moved from here");
err.note(&format!(r#"The current maximum size is {}, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]`"#, limit.bytes()));
err.emit();
},
);
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7 changes: 7 additions & 0 deletions src/test/ui/async-await/large_moves.attribute.stderr
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Expand Up @@ -15,24 +15,31 @@ note: the lint level is defined here
|
LL | #![deny(large_assignments)]
| ^^^^^^^^^^^^^^^^^
= note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]`

error: moving 10024 bytes
--> $DIR/large_moves.rs:18:14
|
LL | let z = (x, 42);
| ^ value moved from here
|
= note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]`

error: moving 10024 bytes
--> $DIR/large_moves.rs:18:13
|
LL | let z = (x, 42);
| ^^^^^^^ value moved from here
|
= note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]`

error: moving 10024 bytes
--> $DIR/large_moves.rs:20:13
|
LL | let a = z.0;
| ^^^ value moved from here
|
= note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]`

error: aborting due to 4 previous errors

7 changes: 7 additions & 0 deletions src/test/ui/async-await/large_moves.option.stderr
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Original file line number Diff line number Diff line change
Expand Up @@ -15,24 +15,31 @@ note: the lint level is defined here
|
LL | #![deny(large_assignments)]
| ^^^^^^^^^^^^^^^^^
= note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]`

error: moving 10024 bytes
--> $DIR/large_moves.rs:18:14
|
LL | let z = (x, 42);
| ^ value moved from here
|
= note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]`

error: moving 10024 bytes
--> $DIR/large_moves.rs:18:13
|
LL | let z = (x, 42);
| ^^^^^^^ value moved from here
|
= note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]`

error: moving 10024 bytes
--> $DIR/large_moves.rs:20:13
|
LL | let a = z.0;
| ^^^ value moved from here
|
= note: The current maximum size is 1000, but it can be customized with the move_size_limit attribute: `#![move_size_limit = "..."]`

error: aborting due to 4 previous errors