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[test] Add test case for rdar://126583098 #79643

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Merged
merged 1 commit into from
Feb 27, 2025
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[test] Add test case for rdar://126583098 #79643

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15 changes: 15 additions & 0 deletions test/Constraints/rdar126583098.swift
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// RUN: %target-swift-emit-silgen %s -verify
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Since this is well-typed code, and for parameter packs its a good idea anyway to make sure it gets all the way through SILGen, you could just put it in test/SILGen/ even though the original bug report was a Sema issue.

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Sure, can move to SILGen 👍

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#79658


protocol P {
var d: Double? { get }
}

// rdar://126583098 - Make sure this compiles.
func foo<each S: Sequence>(_ xss: (repeat (each S))) where repeat (each S).Element: P {
var n: Double = 0
for xs in repeat each xss {
for x in xs {
n += x.d ?? 0
}
}
}