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[SR-7452] Swift compiler segmentation fault #49995

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swift-ci opened this issue Apr 17, 2018 · 1 comment
Closed

[SR-7452] Swift compiler segmentation fault #49995

swift-ci opened this issue Apr 17, 2018 · 1 comment
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@slavapestov
Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself crash Bug: A crash, i.e., an abnormal termination of software

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@swift-ci
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Previous ID SR-7452
Radar rdar://problem/39487603
Original Reporter progn (JIRA User)
Type Bug
Status Resolved
Resolution Duplicate
Environment

Xcode 9.3, Swift 4.1
macOS, iOS target

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, CompilerCrash
Assignee @slavapestov
Priority Medium

md5: 66f960ddb903a0e440eac2bcdabe8a15

duplicates:

  • SR-6000 Let protocols inherit from class types

Issue Description:

When I'm trying to compile the code:

class Base {
}

protocol P where Self: Base {
    init(i: Int)
}

class A: Base, P {
    required init(i: Int) {}
}

class B: Base, P {
    required init(i: Int) {}
}

let p: P.Type = A.self
let a = p.init(i: 1)

print("\(a)")

I've got an error
Command failed due to signal: Segmentation fault: 11

If change

{code:none} protocol P where Self: Base {

to 
{code:none}protocol P {

the compiler works well
@belkadan
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@slavapestov, related to your others on protocols with superclass constraints.

@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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@slavapestov slavapestov

Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself crash Bug: A crash, i.e., an abnormal termination of software
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@belkadan @swift-ci @AnthonyLatsis