substack-escaping-huge-objs.go

package main

type hugeT struct {
	a [3 * 1000 * 1000]int32 // 12MB
}

func main() {
    // l1 escapes to heap: too large for stack
    l1 := hugeT{}
    // l2 escapes to heap: too large for stack
    l2 := make([]int32, 0, 17*1000) // 68KB
    _ = l1
    _ = l2
}