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[SR-5344] Memory leak in swift_EnumCaseName() ? #47918

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swift-ci opened this issue Jun 30, 2017 · 2 comments
Closed

[SR-5344] Memory leak in swift_EnumCaseName() ? #47918

swift-ci opened this issue Jun 30, 2017 · 2 comments
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. runtime The Swift Runtime standard library Area: Standard library umbrella

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@swift-ci
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Previous ID SR-5344
Radar rdar://problem/33087194
Original Reporter paulmenage (JIRA User)
Type Bug
Status Closed
Resolution Done
Environment

Xcode 8.3, Xcode 9 beta, and github master (d44cdf4)

Additional Detail from JIRA
Votes 0
Component/s Standard Library
Labels Bug, Runtime
Assignee None
Priority Medium

md5: 3a32c20f858f1eef01c5996a6647efeb

Issue Description:

The following fragment appears to cause memory usage to grow unboundedly:

enum E { case A; case B(String) }
while true { var output = ""; dump(E.A, to: &output) }

I think that the issue is that when swift_EnumCaseName() is called with an enum type that has multiple cases and at least one object payload, it leaks a reference on its boxed-Any parameter.
@jckarter
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@swift-ci create

@CodaFi
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CodaFi commented Jul 16, 2018

Fixed by the merge of # 13792

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
This issue was closed.
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. runtime The Swift Runtime standard library Area: Standard library umbrella
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@jckarter @CodaFi @swift-ci