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[SR-4840] Segmentation fault because of weird order of variables #47417

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swift-ci opened this issue May 9, 2017 · 0 comments
Closed

[SR-4840] Segmentation fault because of weird order of variables #47417

swift-ci opened this issue May 9, 2017 · 0 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 commented May 9, 2017

Previous ID SR-4840
Radar None
Original Reporter zmicier (JIRA User)
Type Bug
Status Resolved
Resolution Duplicate

Attachment: Download

Environment

Apple Swift version 3.1 (swiftlang-802.0.53 clang-802.0.42)
macOS 10.12.4 (16E195)
Xcode 8.3.2 (8E2002)

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

md5: fe565090c3bf262b50ad2abd568382a8

duplicates:

  • SR-4387 Compiler Segmentation Fault 11 on wrongly ordered lets

Issue Description:

Subj: the code leads to segmentation fault, please, check the attached crash log.

func function(_ string: String?) -> String? {
  return string
}

var string: String? = nil

//  segmentation fault because of weird order of variables
if let resultB = function(resultA), let resultA = function(string) {
  print("someting one")
} else {
  print("something two")
}
@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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