Panic after changing field name on cached builds #96319
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C-bug
Category: This is a bug.
I-ICE
Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
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imlazyeye
added
C-bug
|
Some additional testing: the issue does occur on nightly ( |
|
In this zulip thread, I've bisected this to The reason it does not occur on stable 1.59 is that incremental compilation was disabled for that release. It'll still ICE with |
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I've been having some difficulty minimizing this ICE (though I've been able to reproduce it locally). I'd appreciate it someone would be able to take a shot a minimizing this. |
pub struct Stmt {
pub stmt_type: StmtKind,
pub stmt_tag: Option<LintTag>,
}
pub struct LintTag;
pub enum StmtKind {
If(If),
Block(&'static str),
Return(Return),
}
pub struct If {
pub condition: Function,
}
pub struct Return {
pub value: Function,
}
pub struct Function {
pub parameters: Box<Stmt>,
}
pub fn start_late_pass(stmt_receiver: Box<Stmt>) {
spawn(async { stmt_receiver });
}
pub fn spawn<T>(_: T)
where
T: Send,
{
}Steps: |
Aaron1011
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to Aaron1011/rust
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May 7, 2022
compiler-errors
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to compiler-errors/rust
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May 7, 2022
…=compiler-errors Add regression test for rust-lang#96319
bors
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to rust-lang-ci/rust
that referenced
this issue
May 7, 2022
…piler-errors Rollup of 8 pull requests Successful merges: - rust-lang#96660 ([bootstrap] Give a better error when trying to run a path with no registered step) - rust-lang#96701 (update `jemallocator` example to use 2018 edition import syntax) - rust-lang#96746 (Fix an ICE on rust-lang#96738) - rust-lang#96758 (bootstrap: bsd platform flags for split debuginfo) - rust-lang#96778 (Remove closures on `expect_local` to apply `#[track_caller]`) - rust-lang#96781 (Fix an incorrect link in The Unstable Book) - rust-lang#96783 (Link to correct issue in issue-95034 known-bug) - rust-lang#96801 (Add regression test for rust-lang#96319) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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In the project linked below, changing a specific field to have a different name will ice the compiler.
cargo checkpasses, butcargo run/cargo buildwill fail.If you run
cargo cleanthe issue will go away. However, if you then change the field name again, the ice returns. This feels to me like an issue with incremental complication?Repo: https://github.com/imlazyeye/duck
Branch:
rust-iceLocation: In
src/parse/gml/stmt.rs, the fieldtagonStmt.Meta
rustc --version --verbose:Error output
Backtrace
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