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[SR-14901] Code completion taking very long (~4 minutes) because of chained == operators in invalid expression #57248

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ahoppen opened this issue Jul 8, 2021 · 0 comments
Open

[SR-14901] Code completion taking very long (~4 minutes) because of chained == operators in invalid expression #57248

ahoppen opened this issue Jul 8, 2021 · 0 comments
Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. code completion Area → source tooling: code completion found by stress tester Flag: An issue found by the SourceKit stress tester source tooling Area: IDE support, SourceKit, and other source tooling

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@ahoppen
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ahoppen commented Jul 8, 2021

Previous ID SR-14901
Radar rdar://77257754
Original Reporter @ahoppen
Type Bug
Additional Detail from JIRA
Votes 0
Component/s CodeCompletion
Labels Bug, FoundByStressTester
Assignee None
Priority Medium

md5: 6f3c99d791a2b9f50df30b3cd5bbcc5f

Issue Description:

The following test case takes ~4 minutes to complete

// RUN: %swift-ide-test --code-completion --source-filename %s --code-completion-token COMPLETE

b == b.#^COMPLETE^# == b == b

Looking at -debug-constraints this appears to be because the type checker needs to check all combinations of the == overload.
@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@AnthonyLatsis AnthonyLatsis added the source tooling Area: IDE support, SourceKit, and other source tooling label Feb 6, 2023
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. code completion Area → source tooling: code completion found by stress tester Flag: An issue found by the SourceKit stress tester source tooling Area: IDE support, SourceKit, and other source tooling
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@ahoppen @AnthonyLatsis