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[SR-5253] Expression Too Complex Swift 4 Regression #47828

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swift-ci opened this issue Jun 19, 2017 · 0 comments
Open

[SR-5253] Expression Too Complex Swift 4 Regression #47828

swift-ci opened this issue Jun 19, 2017 · 0 comments
Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself regression swift 4.0 type checker Area → compiler: Semantic analysis

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Previous ID SR-5253
Radar None
Original Reporter charlieMonroe (JIRA User)
Type Bug
Environment

macOS 10.12.5, Xcode 9b1

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, 4.0Regression, TypeChecker
Assignee None
Priority Medium

md5: d2c6dd46e85626e7358292736861eeb7

Issue Description:

The following code will fail to compile, claiming that the expression is too complex to be solved - the same code works under Swift 3 fine.

private func _L(_ n: Int, _ t: Int = 0) -> Int {
    let result = (((n >> 1) + (t >> 1)) << 1) + (n & 1) + (t & 1)
    return result
}
@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 4.0 type checker Area → compiler: Semantic analysis
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@swift-ci @AnthonyLatsis