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ICE with HRTB: Broken MIR in DefId [...] could not prove Binder #59311
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A-MIRArea: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.htmlArea: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.htmlC-bugCategory: This is a bug.Category: This is a bug.E-needs-testCall for participation: An issue has been fixed and does not reproduce, but no test has been added.Call for participation: An issue has been fixed and does not reproduce, but no test has been added.I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.glacierICE tracked in rust-lang/glacier.ICE tracked in rust-lang/glacier.
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A-MIRArea: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.htmlArea: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.htmlC-bugCategory: This is a bug.Category: This is a bug.E-needs-testCall for participation: An issue has been fixed and does not reproduce, but no test has been added.Call for participation: An issue has been fixed and does not reproduce, but no test has been added.I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.glacierICE tracked in rust-lang/glacier.ICE tracked in rust-lang/glacier.
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rustcICEes when trying to compile the following code. As far as I can tell, the issue is due to the HRTB. All other issues I found mentioningbroken MIR in DefIdwhere either using unstable features and/or related toimpl Traitwhich seems to be unrelated to this issue.Playground link
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On the playground, I am able to reproduce the ICE on stable (1.33), beta, and nightly. Locally I have the following setup:
rustc --version --verbose:Backtrace: