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The openDeferRecord always insert vardef/varlive pairs into the entry block, it may destroy the mem chain when LECall's args are writing into the same block. So create a new block before that happens. Fixes #49282 Change-Id: Ibda6c4a45d960dd412a641f5e02276f663c80785 Reviewed-on: https://go-review.googlesource.com/c/go/+/361410 Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com> TryBot-Result: Go Bot <gobot@golang.org> Trust: Alberto Donizetti <alb.donizetti@gmail.com> Trust: Than McIntosh <thanm@google.com> Reviewed-by: David Chase <drchase@google.com>
45 lines
639 B
Go
45 lines
639 B
Go
// compile
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package p
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//go:noinline
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func g(d uintptr, a, m []int, s struct {
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a, b, c, d, e int
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}, u uint) {
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_ = a
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_ = m
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_ = s
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func() {
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for i := 0; i < 5; i++ {
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_ = a
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_ = m
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_, _ = s, s
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}
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}()
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}
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var One float64 = 1.0
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func f(d uintptr) {
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var a, m []int
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var s struct {
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a, b, c, d, e int
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}
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g(d, a, m, s, uint(One)) // Uint of not-a-constant inserts a conditional, necessary to bug
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defer func() uint {
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return 0
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}()
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}
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var d uintptr
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func h() {
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f(d)
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}
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