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go/test/fixedbugs/issue48301.go
Robert Griesemer 1a708bcf1d cmd/compile: don't crash while reporting invalid alias cycle
Add a missing nil check in the formatting code for expression
nodes. Matches the nil checks in the same code.

Fixes #48301.

Change-Id: Ia9bfd3535254a94996ee190b544d95e15433d252
Reviewed-on: https://go-review.googlesource.com/c/go/+/348740
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2021-09-09 22:20:16 +00:00

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Go

// errorcheck -G=0
// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Don't crash while reporting the error.
package p
func _() {
type T = T // ERROR "T uses T"
}