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[SR-9453] Crash on superclass coming after protocol composition #51916

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AnthonyLatsis opened this issue Dec 10, 2018 · 3 comments
Closed

[SR-9453] Crash on superclass coming after protocol composition #51916

AnthonyLatsis opened this issue Dec 10, 2018 · 3 comments
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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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@AnthonyLatsis
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Previous ID SR-9453
Radar None
Original Reporter @AnthonyLatsis
Type Bug
Status Resolved
Resolution Done
Environment

Xcode 10.1 (10B61)

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

md5: 697a480eeba48447eacd5f6b8661d40f

Issue Description:

The error, however, has time to be triggered before the segfault.

protocol P {}
protocol Q {}

class A {}

final class Chat: P & Q, A {}
                  ~~~~~
@belkadan
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Seems to be fixed in master! @slavapestov, do you know if we have a test case for this already?

@slavapestov
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Looks like @hamishknight fixed it – thanks Hamish!

commit 40fada7f8241b00a78838e1e54ae4cbecea9b949
Author: Hamish Knight <hamish2knight@gmail.com>
Date:   Sun Jul 1 17:03:36 2018 +0100

    [Sema] Don't crash on a null superclass in a protocol composition when checking access

@AnthonyLatsis
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Great! I should have verified master.

@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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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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@slavapestov @belkadan @AnthonyLatsis