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[SR-6256] Compiler crash with Dictionary(uniqueKeysWithValues:) #48806

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twostraws opened this issue Oct 31, 2017 · 0 comments
Closed

[SR-6256] Compiler crash with Dictionary(uniqueKeysWithValues:) #48806

twostraws opened this issue Oct 31, 2017 · 0 comments
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself

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@twostraws
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Previous ID SR-6256
Radar None
Original Reporter @twostraws
Type Bug
Status Resolved
Resolution Duplicate

Attachment: Download

Environment

Apple Swift version 4.0 (swiftlang-900.0.65.2 clang-900.0.37)

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

md5: adb6ca4d0438d165849a5dd1c71e61ae

duplicates:

  • SR-5932 Segmentation fault: 11 when creating a Set of optionals

Issue Description:

I was modifying some code and noticed Xcode hitting problems while it was trying to build code part-way through my changes. I figured out what it was attempting to compile, and it does indeed cause a segfault in swiftc:

let a = ["b"]
let dict = Dictionary(uniqueKeysWithValues: a.enumerated())
@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
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@twostraws