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[SR-7949] Crash when bridging NSError to CLError #3678

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sharplet opened this issue Jun 9, 2018 · 0 comments
Open

[SR-7949] Crash when bridging NSError to CLError #3678

sharplet opened this issue Jun 9, 2018 · 0 comments
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4.2Regression bug Compiler Foundation

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@sharplet
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sharplet commented Jun 9, 2018

Previous ID SR-7949
Radar rdar://problem/40878715
Original Reporter @sharplet
Type Bug
Environment

Xcode 10 beta 1

Additional Detail from JIRA
Votes 0
Component/s Compiler, Foundation
Labels Bug, 4.2Regression
Assignee None
Priority Medium

md5: d3a7d254efdede1a220eb1527c0e9772

Issue Description:

Under Xcode 9 / Swift 4.1, it was possible to construct an NSError with the appropriate domain and code and have it bridge to a CLError using an as? cast in Swift. This causes a crash in Xcode 10 / Swift 4.2.

To reproduce, run the attached playground in Xcode 10. It contains this code:

import CoreLocation

let error = NSError(
  domain: kCLErrorDomain,
  code: CLError.geocodeFoundNoResult.rawValue)

error.localizedDescription
error is CLError
error as? CLError
@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
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4.2Regression bug Compiler Foundation
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@sharplet