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For the code pattern reported in <https://github.com/rust-lang/rust/issues/133272>, ```rs impl Foo { fn fun() { let S { ref Self } = todo!(); } } ``` <https://github.com/rust-lang/rust/pull/121208> converted this to a `span_bug` from a `span_delayed_bug` because this specific self-ctor code pattern lacked test coverage. It turns out this can be hit but we just lacked test coverage, so change it back to a `span_delayed_bug` and add a target tested case.
22 lines
808 B
Rust
22 lines
808 B
Rust
//! Regression test for <https://github.com/rust-lang/rust/issues/133272>, where a `ref Self` ctor
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//! makes it possible to hit a `delayed_bug` that was converted into a `span_bug` in
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//! <https://github.com/rust-lang/rust/pull/121208>, and hitting this reveals that we did not have
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//! test coverage for this specific code pattern (heh) previously.
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//!
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//! # References
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//!
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//! - ICE bug report: <https://github.com/rust-lang/rust/issues/133272>.
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//! - Previous PR to change `delayed_bug` -> `span_bug`:
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//! <https://github.com/rust-lang/rust/pull/121208>
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#![crate_type = "lib"]
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struct Foo;
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impl Foo {
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fn fun() {
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let S { ref Self } = todo!();
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//~^ ERROR expected identifier, found keyword `Self`
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//~| ERROR cannot find struct, variant or union type `S` in this scope
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}
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}
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