文件操作 - nilptr5.go
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文件: /usr/share/go-1.23/test/nilptr5.go
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// errorcheck -0 -d=nil //go:build !wasm && !aix // Copyright 2018 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. // Test that nil checks are removed. // Optimization is enabled. package p func f5(p *float32, q *float64, r *float32, s *float64) float64 { x := float64(*p) // ERROR "removed nil check" y := *q // ERROR "removed nil check" *r = 7 // ERROR "removed nil check" *s = 9 // ERROR "removed nil check" return x + y } type T struct{ b [29]byte } func f6(p, q *T) { x := *p // ERROR "removed nil check" *q = x // ERROR "removed nil check" } // make sure to remove nil check for memory move (issue #18003) func f8(t *struct{ b [8]int }) struct{ b [8]int } { return *t // ERROR "removed nil check" }
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