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19ed442807
This test already passes for GOEXPERIMENT=unified; add regress test to ensure it stays that way. Updates #53477. Change-Id: Ib7aa7428260595077052207899edcc044a6ab1c8 Reviewed-on: https://go-review.googlesource.com/c/go/+/413394 Run-TryBot: Matthew Dempsky <mdempsky@google.com> Auto-Submit: Matthew Dempsky <mdempsky@google.com> Reviewed-by: David Chase <drchase@google.com>
35 lines
555 B
Go
35 lines
555 B
Go
// run
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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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// Test that generic interface-interface comparisons resulting from
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// value switch statements are handled correctly.
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package main
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func main() {
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f[X](0)
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}
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type Mer[T any] interface{ M(T) }
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type MNer[T any] interface {
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Mer[T]
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N()
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}
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type X int
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func (X) M(X) {}
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func (X) N() {}
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func f[T MNer[T]](t T) {
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switch Mer[T](t) {
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case MNer[T](t):
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// ok
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default:
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panic("FAIL")
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}
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}
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