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[SR-3938] compiler seg fault on generic instantiation across file boundaries #46523

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swift-ci opened this issue Feb 11, 2017 · 1 comment
Closed

[SR-3938] compiler seg fault on generic instantiation across file boundaries #46523

swift-ci opened this issue Feb 11, 2017 · 1 comment
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-3938
Radar None
Original Reporter derammo (JIRA User)
Type Bug
Status Resolved
Resolution Done
Environment

XCode Version 8.2.1 (8C1002)
Sorry, not sure what version of the compiler that product contains.

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

md5: 0f5262be002fddb1284da07beadd6173

duplicates:

  • SR-3707 Assertion failed: (hasInterfaceType() && "No interface type was set")

Issue Description:

The following seg faults the compiler. Note the two files are mutually dependent. It does not crash if both are combined into one source file.

//
//  main.swift
//  CrashMe
//
//  Created by Ammo Goettsch on 2/11/17.
//

import Foundation

class Generic<T> {
    var t: T
    init(t: T) {
        self.t = t
    }
}

class Example {
    typealias External = ExternalGenericInstantiation
    class Nested {
        
    }
}
//
//  Second.swift
//  CrashMe
//
//  Created by Ammo Goettsch on 2/11/17.
//

import Foundation

class ExternalGenericInstantiation: Generic<Example.Nested> {
    
}
@swift-ci
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Comment by Ammo Goettsch (JIRA)

verified in XCode 9.1 and

swift-4.1-DEVELOPMENT-SNAPSHOT-2017-11-23-a.xctoolchain

@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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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 @AnthonyLatsis