go zerosize 源码
golang zerosize 代码
文件路径：/test/codegen/zerosize.go
// asmcheck
// Copyright 2018 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.
// Make sure a pointer variable and a zero-sized variable
// aren't allocated to the same stack slot.
// See issue 24993.
package codegen
func zeroSize() {
c := make(chan struct{})
// amd64:`MOVQ\t\$0, command-line-arguments\.s\+56\(SP\)`
var s *int
// force s to be a stack object, also use some (fixed) stack space
g(&s, 1, 2, 3, 4, 5)
// amd64:`LEAQ\tcommand-line-arguments\..*\+55\(SP\)`
c <- struct{}{}
}
//go:noinline
func g(**int, int, int, int, int, int) {}
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