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// errorcheck -+
// Copyright 2016 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 walk errors for go:notinheap.
package p
//go:notinheap
type nih struct {
next *nih
}
// Global variables are okay.
var x nih
// Stack variables are not okay.
func f() {
var y nih // ERROR "nih is go:notinheap; stack allocation disallowed"
x = y
}
// Heap allocation is not okay.
var y *nih
var z []nih
var w []nih
var n int
func g() {
y = new(nih) // ERROR "heap allocation disallowed"
z = make([]nih, 1) // ERROR "heap allocation disallowed"
z = append(z, x) // ERROR "heap allocation disallowed"
// Test for special case of OMAKESLICECOPY
x := make([]nih, n) // ERROR "heap allocation disallowed"
copy(x, z)
z = x
}
// Writes don't produce write barriers.
var p *nih
//go:nowritebarrier
func h() {
y.next = p.next
}
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