mirror of
https://github.com/golang/go
synced 2024-11-05 15:06:09 -07:00
89b44b4e2b
Previously, reassigned was failing to detect reassignments due to channel receives in select statements (OSELRECV, OSELRECV2), or due to standalone 2-value receive assignments (OAS2RECV). This was reported as a devirtualization panic, but could have caused mis-inlining as well. Fixes #43292. Change-Id: Ic8079c20c0587aeacff9596697fdeba80a697b12 Reviewed-on: https://go-review.googlesource.com/c/go/+/279352 Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com> TryBot-Result: Go Bot <gobot@golang.org>
60 lines
632 B
Go
60 lines
632 B
Go
// run
|
|
|
|
// Copyright 2020 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.
|
|
|
|
package main
|
|
|
|
func main() {
|
|
{
|
|
i := I(A{})
|
|
|
|
b := make(chan I, 1)
|
|
b <- B{}
|
|
|
|
var ok bool
|
|
i, ok = <-b
|
|
_ = ok
|
|
|
|
i.M()
|
|
}
|
|
|
|
{
|
|
i := I(A{})
|
|
|
|
b := make(chan I, 1)
|
|
b <- B{}
|
|
|
|
select {
|
|
case i = <-b:
|
|
}
|
|
|
|
i.M()
|
|
}
|
|
|
|
{
|
|
i := I(A{})
|
|
|
|
b := make(chan I, 1)
|
|
b <- B{}
|
|
|
|
var ok bool
|
|
select {
|
|
case i, ok = <-b:
|
|
}
|
|
_ = ok
|
|
|
|
i.M()
|
|
}
|
|
}
|
|
|
|
type I interface{ M() int }
|
|
|
|
type T int
|
|
|
|
func (T) M() int { return 0 }
|
|
|
|
type A struct{ T }
|
|
type B struct{ T }
|