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master
test/fixedbugs/issue54467.go
26 строк
456 B
Keith Randall
cmd/compile: handle partially overlapping assignments
23 авг 2022, 22:56
23 авг 2022, 22:56
332a598
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// run // Copyright 2022 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import "fmt" func main() { var x [64]byte for i := range x { x[i] = byte(i) } y := x copy(x[4:36], x[2:34]) *(*[32]byte)(y[4:36]) = *(*[32]byte)(y[2:34]) for i := range x { if x[i] != y[i] { fmt.Printf("x[%v] = %v; y[%v] = %v\n", i, x[i], i, y[i]) } } }