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test/fixedbugs/issue42944.go
24 строки
513 B
Cherry Zhang
cmd/compile: make sure address of offset(SP) is rematerializeable
04 дек 2020, 00:34
04 дек 2020, 00:34
37a32a1
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// errorcheck -0 -live // Copyright 2020 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. // Issue 42944: address of callee args area should only be short-lived // and never across a call. package p type T [10]int // trigger DUFFCOPY when passing by value, so it uses the address func F() { var x T var i int for { x = G(i) // no autotmp live at this and next calls H(i, x) } } func G(int) T func H(int, T)