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44 lines
708 B
Go
44 lines
708 B
Go
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// errorcheck -+
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// Copyright 2016 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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// Test walk errors for go:notinheap.
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package p
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//go:notinheap
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type nih struct {
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next *nih
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}
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// Globals and stack variables are okay.
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var x nih
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func f() {
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var y nih
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x = y
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}
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// Heap allocation is not okay.
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var y *nih
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var z []nih
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func g() {
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y = new(nih) // ERROR "heap allocation disallowed"
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z = make([]nih, 1) // ERROR "heap allocation disallowed"
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z = append(z, x) // ERROR "heap allocation disallowed"
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}
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// Writes don't produce write barriers.
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var p *nih
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//go:nowritebarrier
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func h() {
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y.next = p.next
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}
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