mirror of
https://github.com/golang/go
synced 2024-09-04 23:44:16 +00:00
![Cuong Manh Le](/assets/img/avatar_default.png)
CL 200958 adds skipping empty init function feature without any tests for it. A codegen test sounds ideal, but it's unlikely that we can make one for now, so use a program to manipulate runtime/proc.go:initTask directly. Updates #34869 Change-Id: I2683b9a1ace36af6861af02a3a9fb18b3110b282 Reviewed-on: https://go-review.googlesource.com/c/go/+/204217 Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com> Reviewed-by: Matthew Dempsky <mdempsky@google.com> Reviewed-by: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
41 lines
604 B
Go
41 lines
604 B
Go
// run
|
|
|
|
// Copyright 2019 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 empty init functions are skipped.
|
|
|
|
package main
|
|
|
|
import _ "unsafe" // for go:linkname
|
|
|
|
type initTask struct {
|
|
state uintptr
|
|
ndeps uintptr
|
|
nfns uintptr
|
|
}
|
|
|
|
//go:linkname main_inittask main..inittask
|
|
var main_inittask initTask
|
|
|
|
func main() {
|
|
if nfns := main_inittask.nfns; nfns != 0 {
|
|
println(nfns)
|
|
panic("unexpected init funcs")
|
|
}
|
|
}
|
|
|
|
func init() {
|
|
}
|
|
|
|
func init() {
|
|
if false {
|
|
}
|
|
}
|
|
|
|
func init() {
|
|
for false {
|
|
}
|
|
}
|