blob: 944f2993ab171b9744165d1dfb950ff4e9e8b230 [file] [log] [blame]
// 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
}
// Globals and stack variables are okay.
var x nih
func f() {
var y nih
x = y
}
// Heap allocation is not okay.
var y *nih
var z []nih
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"
}
// Writes don't produce write barriers.
var p *nih
//go:nowritebarrier
func h() {
y.next = p.next
}