go issue7944 源码
golang issue7944 代码
文件路径：/test/fixedbugs/issue7944.go
// run
// Copyright 2014 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.
// Issue 7944:
// Liveness bitmaps said b was live at call to g,
// but no one told the register optimizer.
package main
import "runtime"
func f(b []byte) {
for len(b) > 0 {
n := len(b)
n = f1(n)
f2(b[n:])
b = b[n:]
}
g()
}
func f1(n int) int {
runtime.GC()
return n
}
func f2(b []byte) {
runtime.GC()
}
func g() {
runtime.GC()
}
func main() {
f(make([]byte, 100))
}
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