mirror of
https://github.com/golang/go
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49 lines
677 B
Go
49 lines
677 B
Go
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// run
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// Copyright 2023 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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// Make sure address calculations don't float up before
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// the corresponding nil check.
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package main
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type T struct {
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a, b int
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}
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//go:noinline
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func f(x *T, p *bool, n int) {
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*p = n != 0
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useStack(1000)
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g(&x.b)
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}
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//go:noinline
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func g(p *int) {
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}
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func useStack(n int) {
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if n == 0 {
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return
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}
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useStack(n - 1)
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}
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func main() {
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mustPanic(func() {
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var b bool
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f(nil, &b, 3)
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})
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}
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func mustPanic(f func()) {
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defer func() {
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if recover() == nil {
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panic("expected panic, got nil")
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}
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}()
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f()
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}
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