mirror of
https://github.com/golang/go
synced 2024-11-23 17:20:02 -07:00
f45c2d7e47
So they can be added to ignored list, since the tests now require cgo.Incomplete, which is not recognized by go/types and types2. Updates #46731 Change-Id: I9f24e3c8605424d1f5f42ae4409437198f4c1326 Reviewed-on: https://go-review.googlesource.com/c/go/+/427142 Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com> Reviewed-by: Bryan Mills <bcmills@google.com> Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Heschi Kreinick <heschi@google.com>
86 lines
1.8 KiB
Go
86 lines
1.8 KiB
Go
// 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 not-in-heap.
|
|
|
|
//go:build cgo
|
|
|
|
package p
|
|
|
|
import "runtime/cgo"
|
|
|
|
type nih struct {
|
|
_ cgo.Incomplete
|
|
next *nih
|
|
}
|
|
|
|
// Global variables are okay.
|
|
|
|
var x nih
|
|
|
|
// Stack variables are not okay.
|
|
|
|
func f() {
|
|
var y nih // ERROR "nih is incomplete \(or unallocatable\); stack allocation disallowed"
|
|
x = y
|
|
}
|
|
|
|
// Heap allocation is not okay.
|
|
|
|
var y *nih
|
|
var y2 *struct{ x nih }
|
|
var y3 *[1]nih
|
|
var z []nih
|
|
var w []nih
|
|
var n int
|
|
var sink interface{}
|
|
|
|
type embed1 struct { // implicitly notinheap
|
|
x nih
|
|
}
|
|
|
|
type embed2 [1]nih // implicitly notinheap
|
|
|
|
type embed3 struct { // implicitly notinheap
|
|
x [1]nih
|
|
}
|
|
|
|
// Type aliases inherit the go:notinheap-ness of the type they alias.
|
|
type nihAlias = nih
|
|
|
|
type embedAlias1 struct { // implicitly notinheap
|
|
x nihAlias
|
|
}
|
|
type embedAlias2 [1]nihAlias // implicitly notinheap
|
|
|
|
func g() {
|
|
y = new(nih) // ERROR "can't be allocated in Go"
|
|
y2 = new(struct{ x nih }) // ERROR "can't be allocated in Go"
|
|
y3 = new([1]nih) // ERROR "can't be allocated in Go"
|
|
z = make([]nih, 1) // ERROR "can't be allocated in Go"
|
|
z = append(z, x) // ERROR "can't be allocated in Go"
|
|
|
|
sink = new(embed1) // ERROR "can't be allocated in Go"
|
|
sink = new(embed2) // ERROR "can't be allocated in Go"
|
|
sink = new(embed3) // ERROR "can't be allocated in Go"
|
|
sink = new(embedAlias1) // ERROR "can't be allocated in Go"
|
|
sink = new(embedAlias2) // ERROR "can't be allocated in Go"
|
|
|
|
// Test for special case of OMAKESLICECOPY
|
|
x := make([]nih, n) // ERROR "can't be allocated in Go"
|
|
copy(x, z)
|
|
z = x
|
|
}
|
|
|
|
// Writes don't produce write barriers.
|
|
|
|
var p *nih
|
|
|
|
//go:nowritebarrier
|
|
func h() {
|
|
y.next = p.next
|
|
}
|