go race 源码
golang race 代码
文件路径：/test/codegen/race.go
// asmcheck -race
// 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 codegen
// Check that we elide racefuncenter/racefuncexit for
// functions with no calls (but which might panic
// in various ways). See issue 31219.
// amd64:-"CALL.*racefuncenter.*"
// arm64:-"CALL.*racefuncenter.*"
// ppc64le:-"CALL.*racefuncenter.*"
func RaceMightPanic(a []int, i, j, k, s int) {
var b [4]int
_ = b[i] // panicIndex
_ = a[i:j] // panicSlice
_ = a[i:j:k] // also panicSlice
_ = i << s // panicShift
_ = i / j // panicDivide
}
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