1 // Copyright 2014 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
13 } __attribute__((__packed__)) misaligned;
18 return (uintptr_t)&((misaligned*)0)->y;
28 func test7560(t *testing.T) {
29 // some mingw don't implement __packed__ correctly.
30 if C.offset7560() != 1 {
31 t.Skip("C compiler did not pack struct")
34 // C.misaligned should have x but then a padding field to get to the end of the struct.
35 // There should not be a field named 'y'.
37 rt := reflect.TypeOf(&v).Elem()
38 if rt.NumField() != 2 || rt.Field(0).Name != "x" || rt.Field(1).Name != "_" {
39 t.Errorf("unexpected fields in C.misaligned:\n")
40 for i := 0; i < rt.NumField(); i++ {
41 t.Logf("%+v\n", rt.Field(i))