From efcc50dfdc94c82ee0292bf71992ecb7c0123061 Mon Sep 17 00:00:00 2001 From: Michael Stapelberg Date: Tue, 14 May 2013 18:39:35 +0200 Subject: Imported Upstream version 1.1 --- test/fixedbugs/issue4909a.go | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 test/fixedbugs/issue4909a.go (limited to 'test/fixedbugs/issue4909a.go') diff --git a/test/fixedbugs/issue4909a.go b/test/fixedbugs/issue4909a.go new file mode 100644 index 000000000..aefe2d645 --- /dev/null +++ b/test/fixedbugs/issue4909a.go @@ -0,0 +1,35 @@ +// errorcheck + +// Copyright 2013 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. + +// Issue 4909: compiler incorrectly accepts unsafe.Offsetof(t.x) +// where x is a field of an embedded pointer field. + +package p + +import ( + "unsafe" +) + +type T struct { + A int + *B +} + +func (t T) Method() {} + +type B struct { + X, Y int +} + +var t T +var p *T + +const N1 = unsafe.Offsetof(t.X) // ERROR "indirection" +const N2 = unsafe.Offsetof(p.X) // ERROR "indirection" +const N3 = unsafe.Offsetof(t.B.X) // valid +const N4 = unsafe.Offsetof(p.B.X) // valid +const N5 = unsafe.Offsetof(t.Method) // ERROR "method value" +const N6 = unsafe.Offsetof(p.Method) // ERROR "method value" -- cgit v1.2.3