ICE: unexpected 'SelfCtor' in pattern, expected identifier
#133272
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A-patterns
Relating to patterns and pattern matching
C-bug
Category: This is a bug.
I-ICE
Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️
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Relevant to the compiler team, which will review and decide on the PR/issue.
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matthiaskrgr
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C-bug
rustbot
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needs-triage
impl Foo {
fn fun() {
let S { ref Self } = todo!();
}
} |
|
Regression in nightly-2024-02-22 commit[0] 2024-02-20: Auto merge of #121345 - Nilstrieb:rollup-reb0xge, r=Nilstrieb |
jieyouxu
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This is because #121208 changed the |
jieyouxu
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Nov 21, 2024
For the code pattern reported in <rust-lang#133272>, ```rs impl Foo { fn fun() { let S { ref Self } = todo!(); } } ``` <rust-lang#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.
compiler-errors
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Nov 22, 2024
…-errors Re-delay a resolve `bug` related to `Self`-ctor in patterns For the code pattern reported in <rust-lang#133272>, ```rs impl Foo { fn fun() { let S { ref Self } = todo!(); } } ``` <rust-lang#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 targeted test case. Follow-up to rust-lang#121208, cc `@nnethercote` (very good exercise to expose our test coverage gaps). Fixes rust-lang#133272.
jhpratt
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Nov 22, 2024
…-errors Re-delay a resolve `bug` related to `Self`-ctor in patterns For the code pattern reported in <rust-lang#133272>, ```rs impl Foo { fn fun() { let S { ref Self } = todo!(); } } ``` <rust-lang#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 targeted test case. Follow-up to rust-lang#121208, cc ``@nnethercote`` (very good exercise to expose our test coverage gaps). Fixes rust-lang#133272.
jieyouxu
added a commit
to jieyouxu/rust
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this issue
Nov 22, 2024
…-errors Re-delay a resolve `bug` related to `Self`-ctor in patterns For the code pattern reported in <rust-lang#133272>, ```rs impl Foo { fn fun() { let S { ref Self } = todo!(); } } ``` <rust-lang#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 targeted test case. Follow-up to rust-lang#121208, cc ```@nnethercote``` (very good exercise to expose our test coverage gaps). Fixes rust-lang#133272.
compiler-errors
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Nov 22, 2024
…-errors Re-delay a resolve `bug` related to `Self`-ctor in patterns For the code pattern reported in <rust-lang#133272>, ```rs impl Foo { fn fun() { let S { ref Self } = todo!(); } } ``` <rust-lang#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 targeted test case. Follow-up to rust-lang#121208, cc ````@nnethercote```` (very good exercise to expose our test coverage gaps). Fixes rust-lang#133272.
compiler-errors
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Nov 23, 2024
…-errors Re-delay a resolve `bug` related to `Self`-ctor in patterns For the code pattern reported in <rust-lang#133272>, ```rs impl Foo { fn fun() { let S { ref Self } = todo!(); } } ``` <rust-lang#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 targeted test case. Follow-up to rust-lang#121208, cc `````@nnethercote````` (very good exercise to expose our test coverage gaps). Fixes rust-lang#133272.
matthiaskrgr
added a commit
to matthiaskrgr/rust
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this issue
Nov 23, 2024
…-errors Re-delay a resolve `bug` related to `Self`-ctor in patterns For the code pattern reported in <rust-lang#133272>, ```rs impl Foo { fn fun() { let S { ref Self } = todo!(); } } ``` <rust-lang#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 targeted test case. Follow-up to rust-lang#121208, cc `@nnethercote` (very good exercise to expose our test coverage gaps). Fixes rust-lang#133272.
rust-timer
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Nov 23, 2024
Rollup merge of rust-lang#133286 - jieyouxu:bug-ourselves, r=compiler-errors Re-delay a resolve `bug` related to `Self`-ctor in patterns For the code pattern reported in <rust-lang#133272>, ```rs impl Foo { fn fun() { let S { ref Self } = todo!(); } } ``` <rust-lang#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 targeted test case. Follow-up to rust-lang#121208, cc ``@nnethercote`` (very good exercise to expose our test coverage gaps). Fixes rust-lang#133272.
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auto-reduced (treereduce-rust):
original:
Version information
Possibly related line of code:
rust/compiler/rustc_resolve/src/late.rs
Lines 3939 to 3951 in 3fee0f1
Command:
/home/matthias/.rustup/toolchains/master/bin/rustcProgram output
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