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![Matthew Dempsky](/assets/img/avatar_default.png)
These two tests fail with the 1.18 compiler frontend, because of incomplete dictionary support. This CL adds the tests for Unified IR, which currently handles them correctly, to make sure it doesn't repeat the same errors. Updates #53276. Updates #53328. Change-Id: I9f436495d28f2bc5707a17bd2527c86abacf91f1 Reviewed-on: https://go-review.googlesource.com/c/go/+/411695 Auto-Submit: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: David Chase <drchase@google.com>
35 lines
722 B
Go
35 lines
722 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 type assertion panics mention the real interface type,
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// not their shape type.
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package main
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import (
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"fmt"
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"runtime"
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"strings"
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)
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func main() {
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// The exact error message isn't important, but it should mention
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// `main.T`, not `go.shape.int_0`.
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if have := F[T](); !strings.Contains(have, "interface { T() main.T }") {
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fmt.Printf("FAIL: unexpected panic message: %q\n", have)
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}
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}
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type T int
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func F[T any]() (res string) {
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defer func() {
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res = recover().(runtime.Error).Error()
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}()
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_ = interface{ T() T }(nil).(T)
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return
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}
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