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go/test/fixedbugs/bug443.go
Russ Cox 6363fc5aa6 cmd/gc: fix type checking loop
CL 4313064 fixed its test case but did not address a
general enough problem:

type T1 struct { F *T2 }
type T2 T1
type T3 T2

could still end up copying the definition of T1 for T2
before T1 was done being evaluated, or T3 before T2
was done.

In order to propagate the updates correctly,
record a copy of an incomplete type for re-execution
once the type is completed. Roll back CL 4313064.

Fixes #3709.

R=ken2
CC=golang-dev, lstoakes
https://golang.org/cl/6301059
2012-06-07 03:06:40 -04:00

18 lines
386 B
Go

// compile
// Copyright 2012 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.
// Was failing to compile with 'invalid receiver' due to
// incomplete type definition evaluation. Issue 3709.
package p
type T1 struct { F *T2 }
type T2 T1
type T3 T2
func (*T3) M() // was invalid receiver