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e87fe0f1f5
typecheck only set n.Type.Nod for declared type, and leave it nil for anonymous types, type alias. It leads to compiler crashes, because n.Type.Nod is nil at the time dowidth was called. Fixing it by set n.Type.Nod right after n.Type initialization if n.Op is OTYPE. When embedding interface cycles involve in type alias, it also helps pointing the error message to the position of the type alias declaration, instead of position of embedding interface. Fixes #31872 Change-Id: Ia18391e987036a91f42ba0c08b5506f52d07f683 Reviewed-on: https://go-review.googlesource.com/c/go/+/191540 Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com>
16 lines
275 B
Go
16 lines
275 B
Go
// errorcheck
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// Copyright 2018 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 I1 = interface { // ERROR "invalid recursive type"
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I2
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}
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type I2 interface {
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I1
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}
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