mirror of
https://github.com/golang/go
synced 2024-11-06 05:26:11 -07:00
35 lines
600 B
Go
35 lines
600 B
Go
|
// 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")
|
||
|
|
}
|
||
|
|
}
|