mirror of
https://github.com/golang/go
synced 2024-07-21 01:55:06 +00:00
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
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// Copyright 2020 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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package main
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func main() {
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{
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i := I(A{})
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b := make(chan I, 1)
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b <- B{}
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var ok bool
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i, ok = <-b
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_ = ok
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i.M()
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}
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{
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i := I(A{})
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b := make(chan I, 1)
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b <- B{}
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select {
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case i = <-b:
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}
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i.M()
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}
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{
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i := I(A{})
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b := make(chan I, 1)
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b <- B{}
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var ok bool
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select {
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case i, ok = <-b:
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}
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_ = ok
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i.M()
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}
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}
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type I interface{ M() int }
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type T int
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func (T) M() int { return 0 }
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type A struct{ T }
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type B struct{ T }
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