| // run |
| |
| // Copyright 2015 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. |
| |
| // Test that pointer bitmaps of types with large scalar tails are |
| // correctly repeated when unrolled into the heap bitmap. |
| |
| package main |
| |
| import "runtime" |
| |
| const D = 57 |
| |
| type T struct { |
| a [D]float64 |
| b map[string]int |
| c [D]float64 |
| } |
| |
| var ts []T |
| |
| func main() { |
| ts = make([]T, 4) |
| for i := range ts { |
| ts[i].b = make(map[string]int) |
| } |
| ts[3].b["abc"] = 42 |
| runtime.GC() |
| if ts[3].b["abc"] != 42 { |
| panic("bad field value") |
| } |
| } |
