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[SR-9253] Segmentation Fault 11 on lazy property getter #51735

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swift-ci opened this issue Nov 14, 2018 · 2 comments
Open

[SR-9253] Segmentation Fault 11 on lazy property getter #51735

swift-ci opened this issue Nov 14, 2018 · 2 comments
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-9253
Radar None
Original Reporter crousselle (JIRA User)
Type Bug

Attachment: Download

Environment

Xcode 10

Swift 4

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

md5: d422ce116bfa8a4f71e8475c7371538d

Issue Description:

Our application fails to build on XCode 10.1 with

While emitting SIL for getter for imitationNavBar at ....

The faulty line is the following one:

private lazy var imitationNavBar = ProfileContactListViewController.makeImitationNavBar(mode: mode, navTitleView: navTitleView, leftButton: leftNavBarButton, rightButton: mode == .friends ? rightNavBarButton : nil)

The issue seems to be located in the ternary operation. However, moving to

private lazy var imitationNavBar: ImitationNavBarView =
{         
let bar = ProfileContactListViewController.makeImitationNavBar(mode: mode, navTitleView: navTitleView, leftButton: leftNavBarButton, rightButton: mode == .friends ? rightNavBarButton : nil)         return bar    
}()

fixes the issue
@belkadan
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If you can't attach the project, can you share the build log?

@swift-ci
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Comment by Clement Rousselle (JIRA)

Attached the build log, thanks!

@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
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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