go issue11286 源码
golang issue11286 代码
文件路径：/test/fixedbugs/issue11286.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")
}
}
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