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mirror of https://github.com/golang/go synced 2024-11-26 17:56:55 -07:00
go/test/nilptr5.go
Dmitri Shuralyov b2fd76ab8d test: migrate remaining files to go:build syntax
Most of the test cases in the test directory use the new go:build syntax
already. Convert the rest. In general, try to place the build constraint
line below the test directive comment in more places.

For #41184.
For #60268.

Change-Id: I11c41a0642a8a26dc2eda1406da908645bbc005b
Cq-Include-Trybots: luci.golang.try:gotip-linux-386-longtest,gotip-linux-amd64-longtest,gotip-windows-amd64-longtest
Reviewed-on: https://go-review.googlesource.com/c/go/+/536236
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2023-10-19 23:33:25 +00:00

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Go

// 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"
}