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[SR-11344] EXC_BAD_INSTRUCTION when bridging (NSError() as Error) to NSError #3293

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cltnschlosser opened this issue Aug 21, 2019 · 2 comments
Closed

[SR-11344] EXC_BAD_INSTRUCTION when bridging (NSError() as Error) to NSError #3293

cltnschlosser opened this issue Aug 21, 2019 · 2 comments
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bug Foundation RunTimeCrash

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@cltnschlosser
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Previous ID SR-11344
Radar None
Original Reporter @cltnschlosser
Type Bug
Status Resolved
Resolution Invalid
Additional Detail from JIRA
Votes 0
Component/s Foundation
Labels Bug, RunTimeCrash
Assignee None
Priority Medium

md5: 05ccefda8332df816343f54152e02cdb

Issue Description:

Runtime crash when bridging Error to NSError if it was created with: NSError()

The following playground reproduces the issue:

let thisIsFine: Error = NSError(domain: "Test", code: 0)
thisIsFine as NSError
let thisCrashes: Error = NSError()
thisCrashes as NSError
@theblixguy
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Crashes with this message:

-[NSError init] called; this results in an invalid NSError instance. It will raise an exception in a future release. Please call errorWithDomain:code:userInfo: or initWithDomain:code:userInfo:. This message shown only once.

Partial stack trace:

5  libswiftCore.dylib       0x00000001223a6ff6 $ss23_getErrorDomainNSStringyyXlSPyxGs0B0RzlF + 22
6  libswiftCore.dylib       0x00000001222e9539 _swift_stdlib_bridgeErrorToNSError + 297
7  libswiftCore.dylib       0x000000011bdac0dd _swift_stdlib_bridgeErrorToNSError + 4188810445

@belkadan
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Right, that's "correct" behavior. NSError() has never actually worked, and hopefully the Foundation folks will be able to deprecate it properly soon.

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@shahmishal shahmishal transferred this issue from apple/swift May 5, 2022
This issue was closed.
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bug Foundation RunTimeCrash
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@belkadan @theblixguy @cltnschlosser