eb1639bd33
The edition gate is a bit stricter than the drop behaviour, which is fine. The cases we want to avoid are the opposite: not gated but 2021 drop behaviour.
30 lines
1.4 KiB
Rust
30 lines
1.4 KiB
Rust
//@ revisions: edition2021 edition2024
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//@ compile-flags: -Z lint-mir -Z validate-mir
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//@ [edition2021] edition: 2021
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//@ [edition2024] edition: 2024
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//@ aux-build:macro-in-2021.rs
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//@ aux-build:macro-in-2024.rs
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use std::unreachable as never;
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// Compiletest doesn't specify the needed --extern flags to make `extern crate` unneccessary
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extern crate macro_in_2021;
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extern crate macro_in_2024;
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fn main() {
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// Gated on both 2021 and 2024 if the `if` comes from a 2021 macro
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// Gated only on 2021 if the `if` comes from a 2024 macro
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// No gating if both the `if` and the chain are from a 2024 macro
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macro_in_2021::make_if!((let Some(0) = None && let Some(0) = None) { never!() } { never!() });
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//~^ ERROR `let` expressions in this position are unstable
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//~| ERROR `let` expressions in this position are unstable
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macro_in_2021::make_if!(let (Some(0)) let (Some(0)) { never!() } { never!() });
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//~^ ERROR `let` expressions in this position are unstable
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//~| ERROR `let` expressions in this position are unstable
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macro_in_2024::make_if!((let Some(0) = None && let Some(0) = None) { never!() } { never!() });
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//[edition2021]~^ ERROR `let` expressions in this position are unstable
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//[edition2021]~| ERROR `let` expressions in this position are unstable
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macro_in_2024::make_if!(let (Some(0)) let (Some(0)) { never!() } { never!() });
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}
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