ac922245f0
The SCCs of the region graph are not a reliable heuristic to use for blaming an interesting constraint for diagnostics. For region errors, if the outlived region is `'static`, or the involved types are invariant in their lifetiems, there will be cycles in the constraint graph containing both the target region and the most interesting constraints to blame. To get better diagnostics in these cases, this commit removes that heuristic.
35 lines
1.5 KiB
Plaintext
35 lines
1.5 KiB
Plaintext
error: implementation of `LoadQuery` is not general enough
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--> $DIR/implementation-not-general-enough-ice-133252.rs:9:9
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LL | force_send(async_load(¬_static));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `LoadQuery` is not general enough
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= note: `LoadQuery<'0>` would have to be implemented for the type `&u8`, for any lifetime `'0`...
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= note: ...but `LoadQuery<'1>` is actually implemented for the type `&'1 u8`, for some specific lifetime `'1`
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error[E0597]: `not_static` does not live long enough
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--> $DIR/implementation-not-general-enough-ice-133252.rs:9:31
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LL | async {
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| - return type of async block is &(dyn Owned + '1)
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LL | let not_static = 0;
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| ---------- binding `not_static` declared here
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LL | force_send(async_load(¬_static));
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| ----------------------^^^^^^^^^^^--
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| | |
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| | borrowed value does not live long enough
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| argument requires that `not_static` is borrowed for `'1`
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...
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LL | }
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| - `not_static` dropped here while still borrowed
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note: due to current limitations in the borrow checker, this implies a `'static` lifetime
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--> $DIR/implementation-not-general-enough-ice-133252.rs:16:18
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LL | fn force_send<T: Send>(_: T) {}
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| ^^^^
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0597`.
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