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54e54ae4fe
COWArrayOpts wrongly assumed that an 'owned' argument is released in the function. https://bugs.swift.org/browse/SR-12440 rdar://problem/62201043
24 lines
551 B
Swift
24 lines
551 B
Swift
// RUN: %target-run-simple-swift(-O) | %FileCheck %s
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// REQUIRES: executable_test
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@inline(never)
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func testit(_ input: [[Int]]) -> [[Int]] {
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var result : [[Int]] = []
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for inputElementArray in input {
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var mutableElementArray = inputElementArray
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for _ in 0..<2 {
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// The COW-check for 'mutableElementArray' must not be hoisted out of this loop.
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for i in 0..<1 {
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mutableElementArray[i] += 1
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}
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result.append(mutableElementArray)
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}
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}
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return result
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}
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// CHECK: {{\[\[1\], \[2\]\]}}
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print(testit([[0]]))
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