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[SR-10162] Parse error in Playground #52564

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Agarunov opened this issue Mar 24, 2019 · 5 comments
Open

[SR-10162] Parse error in Playground #52564

Agarunov opened this issue Mar 24, 2019 · 5 comments
Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself regression swift 5.0 type checker Area → compiler: Semantic analysis

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@Agarunov
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Previous ID SR-10162
Radar rdar://problem/64947430
Original Reporter @Agarunov
Type Bug
Status Reopened
Resolution

Attachment: Download

Environment

Swift 5, Xcode 10.2 beta 4 (10P107d)

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, 5.0Regression, TypeChecker
Assignee None
Priority Medium

md5: 22b83344b8d2b68d6eedf941c27bca1c

Issue Description:

Xcode 10.2 beta Playground produces error:

expression failed to parse, unknown error

for this code:

import UIKit


let viewController = UIViewController()
viewController.view.frame.size = CGSize(width: 320, height: 640)

For Xcode 10.1 no errors
@belkadan
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Very strange. Adding an intermediate variable for view works, so maybe the compiler is trying to do some kind of weird writeback?

@belkadan
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cc @xedin

@hborla
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hborla commented Jun 26, 2020

This seems to be fixed in Swift 5.3. Could you please verify using Xcode 12 beta 1? Thank you!

@hborla
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hborla commented Jun 26, 2020

Oops, I've made a mistake. The playground said "build succeeded" but I didn't open the debug console which says "expression failed to parse". Reopening!

@hborla
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hborla commented Jun 26, 2020

@swift-ci create

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself regression swift 5.0 type checker Area → compiler: Semantic analysis
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4 participants
@belkadan @Agarunov @hborla @AnthonyLatsis