go issue30606b 源码
golang issue30606b 代码
文件路径：/test/fixedbugs/issue30606b.go
// run
// Copyright 2019 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.
package main
import "reflect"
func main() {}
func typ(x interface{}) reflect.Type { return reflect.ValueOf(x).Type() }
var byteType = typ((byte)(0))
var ptrType = typ((*byte)(nil))
// Arrays of pointers. There are two size thresholds.
// Bit masks are chunked in groups of 120 pointers.
// Array types with >16384 pointers have a GC program instead of a bitmask.
var smallPtrType = reflect.ArrayOf(100, ptrType)
var mediumPtrType = reflect.ArrayOf(1000, ptrType)
var bigPtrType = reflect.ArrayOf(16385, ptrType)
var x0 = reflect.New(reflect.StructOf([]reflect.StructField{
{Name: "F1", Type: byteType},
{Name: "F2", Type: bigPtrType},
}))
var x1 = reflect.New(reflect.StructOf([]reflect.StructField{
{Name: "F1", Type: smallPtrType},
{Name: "F2", Type: bigPtrType},
}))
var x2 = reflect.New(reflect.StructOf([]reflect.StructField{
{Name: "F1", Type: mediumPtrType},
{Name: "F2", Type: bigPtrType},
}))
var x3 = reflect.New(reflect.StructOf([]reflect.StructField{
{Name: "F1", Type: ptrType},
{Name: "F2", Type: byteType},
{Name: "F3", Type: bigPtrType},
}))
var x4 = reflect.New(reflect.StructOf([]reflect.StructField{
{Name: "F1", Type: ptrType},
{Name: "F2", Type: smallPtrType},
{Name: "F3", Type: bigPtrType},
}))
var x5 = reflect.New(reflect.StructOf([]reflect.StructField{
{Name: "F1", Type: ptrType},
{Name: "F2", Type: mediumPtrType},
{Name: "F3", Type: bigPtrType},
}))
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