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[SR-14468] Async Await: Unexpected Crash partial apply forwarder for reabstraction thunk helper from @escaping #56824

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swift-ci opened this issue Apr 10, 2021 · 3 comments
Closed

[SR-14468] Async Await: Unexpected Crash partial apply forwarder for reabstraction thunk helper from @escaping #56824

swift-ci opened this issue Apr 10, 2021 · 3 comments
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. crash Bug: A crash, i.e., an abnormal termination of software run-time crash Bug → crash: Swift code crashed during execution

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@swift-ci
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Previous ID SR-14468
Radar rdar://problem/76546632
Original Reporter codecat15 (JIRA User)
Type Bug
Status Resolved
Resolution Done

Attachment: Download

Environment

Operating system: Mac OS Big Sur 11.2.3

Xcode version: 12.4 (12D4e)

Toolchain: Swift 5.4 Development Snapshot 2021-03-25

Additional Detail from JIRA
Votes 1
Component/s
Labels Bug, RunTimeCrash
Assignee None
Priority Medium

md5: edc43969d33f493fb7f0b135e0e3fd5a

Issue Description:

I was exploring the new async/await feature by downloading the March 25th, 2021 development snapshot from the Swift.Org site.

I entered the concurrency flag as mentioned in the Swift async-await proposal, I tried calling two APIs serially using async-await but then when I ran the project I got a crash.

Steps to replicate the crash:

  1. Open the attached project zip file

  2. Run the application

  3. The app will crash here
@rjmccall
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Also discussed in a little more detail here: https://forums.swift.org/t/accepted-with-modification-se-0296-async-await/43318/32

aschwaighofer@apple.com (JIRA User) or @nate-chandler, mind taking a look?

@typesanitizer
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@swift-ci create

@DougGregor
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This is building properly with newer toolchains

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@AnthonyLatsis AnthonyLatsis added the crash Bug: A crash, i.e., an abnormal termination of software label Dec 12, 2022
This issue was closed.
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. crash Bug: A crash, i.e., an abnormal termination of software run-time crash Bug → crash: Swift code crashed during execution
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@rjmccall @DougGregor @typesanitizer @swift-ci @AnthonyLatsis