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As we have seen many times, the type checker must be careful to avoid accessing named type information before the type is fully set up. We need a more systematic solution to this problem, but for now avoid one case that causes a crash: checking a selector expression on an incomplete type when a type expression is expected. For golang/go#57522 Change-Id: I7ed31b859cca263276e3a0647d1f1b49670023a9 Reviewed-on: https://go-review.googlesource.com/c/go/+/461577 Run-TryBot: Robert Findley <rfindley@google.com> Auto-Submit: Robert Findley <rfindley@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Robert Griesemer <gri@google.com>
15 lines
427 B
Go
15 lines
427 B
Go
// errorcheck
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// Copyright 2017 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 p
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type A interface {
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// TODO(mdempsky): This should be an error, but this error is
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// nonsense. The error should actually mention that there's a
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// type loop.
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Fn(A.Fn) // ERROR "type A has no method Fn|A.Fn undefined|A.Fn is not a type"
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}
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