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A-async-awaitArea: Async & AwaitArea: Async & AwaitAsyncAwait-TriagedAsync-await issues that have been triaged during a working group meeting.Async-await issues that have been triaged during a working group meeting.C-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) ❄️ICEBreaker-Cleanup-CrewHelping to "clean up" bugs with minimal examples and bisectionsHelping to "clean up" bugs with minimal examples and bisectionsP-highHigh priorityHigh priorityT-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.
Description
When learning async/await feature I was struggling with running multiple tasks simultaneously.
Loop while let Some....
causes compiler to crash
Github Action crash output:
I expected to see this happen: Error message if something goes wrong.
Instead, this happened: Compiler crashed
Meta
Crash happens on macOS rustc 1.40 / Linux rustc 1.40 / Linux rustc 1.39 ( github actions )
rustc --version --verbose
:
macOS
rustc 1.40.0 (73528e339 2019-12-16)
binary: rustc
commit-hash: 73528e339aae0f17a15ffa49a8ac608f50c6cf14
commit-date: 2019-12-16
host: x86_64-apple-darwin
release: 1.40.0
LLVM version: 9.0
Linux
rustc 1.40.0 (73528e339 2019-12-16)
binary: rustc
commit-hash: 73528e339aae0f17a15ffa49a8ac608f50c6cf14
commit-date: 2019-12-16
host: x86_64-unknown-linux-gnu
release: 1.40.0
LLVM version: 9.0
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A-async-awaitArea: Async & AwaitArea: Async & AwaitAsyncAwait-TriagedAsync-await issues that have been triaged during a working group meeting.Async-await issues that have been triaged during a working group meeting.C-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) ❄️ICEBreaker-Cleanup-CrewHelping to "clean up" bugs with minimal examples and bisectionsHelping to "clean up" bugs with minimal examples and bisectionsP-highHigh priorityHigh priorityT-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.
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