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[SR-1529] Compiler crash - overriding an optional property with non-optional can crash the compiler #44138

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swift-ci opened this issue May 15, 2016 · 2 comments

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swift-ci commented May 15, 2016

Previous ID SR-1529
Radar rdar://problem/32254285
Original Reporter mkbrandt (JIRA User)
Type Bug
Status Closed
Resolution Done

Attachment: Download

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

md5: 3ea915b13d3b06d53f136fd589d81506

is duplicated by:

  • SR-1980 Emit multiple vtable entries for overrides that change calling convention

Issue Description:

See enclosed project:

The property "rect" is declared optional in one file, and non-optional in an override in a subclass. This causes the compiler to crash. I realize this is not legal, but it took me a while to track it down since the compiler crashes before showing the error.

@slavapestov
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slavapestov commented Mar 26, 2017

#8314

@swift-ci
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swift-ci commented May 17, 2017

Comment by Myke Olson (JIRA)

@swift-ci create

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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