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2375a6882e
runtime.getitab need filled fun[0] to identify whether implemented the interface. Fixes #51738 Fixes #52244 Change-Id: I0173b98f4e1b45e3a0183a5b60229d289140d1e6 Reviewed-on: https://go-review.googlesource.com/c/go/+/399058 Reviewed-by: Keith Randall <khr@golang.org> Run-TryBot: Keith Randall <khr@golang.org> Auto-Submit: Keith Randall <khr@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: David Chase <drchase@google.com> Reviewed-on: https://go-review.googlesource.com/c/go/+/399974 Reviewed-by: Austin Clements <austin@google.com>
27 lines
427 B
Go
27 lines
427 B
Go
// run -gcflags=-G=3
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// Copyright 2022 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 f[B any](b B) {
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if b1, ok := any(b).(interface{ m1() }); ok {
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panic(1)
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_ = b1.(B)
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}
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if b2, ok := any(b).(interface{ m2() }); ok {
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panic(2)
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_ = b2.(B)
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}
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}
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type S struct{}
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func (S) m3() {}
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func main() {
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f(S{})
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}
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