go issue39651 源码
golang issue39651 代码
文件路径：/test/fixedbugs/issue39651.go
// run
// Copyright 2020 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 float -> integer conversion doesn't clobber
// flags.
package main
//go:noinline
func f(x, y float64, a, b *bool, r *int64) {
*a = x < y // set flags
*r = int64(x) // clobber flags
*b = x == y // use flags
}
func main() {
var a, b bool
var r int64
f(1, 1, &a, &b, &r)
if a || !b {
panic("comparison incorrect")
}
}
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