mirror of
https://github.com/golang/go
synced 2024-11-15 03:20:31 -07:00
f6509cf5cd
The input index to a jump table can be out of range for unreachable code. Dynamically the compiler ensures that an out-of-range index can never reach a jump table, but that guarantee doesn't extend to the static realm. Fixes #64826 Change-Id: I5829f3933ae5124ffad8337dfd7dd75e67a8ec33 Reviewed-on: https://go-review.googlesource.com/c/go/+/552055 Reviewed-by: Keith Randall <khr@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: David Chase <drchase@google.com>
39 lines
494 B
Go
39 lines
494 B
Go
// build
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// Copyright 2023 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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func main() {
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f(g(false))
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}
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func g(b bool) string {
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if b {
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return "z"
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}
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return "q"
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}
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func f(x string) int {
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switch len(x) {
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case 4:
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return 4
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case 5:
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return 5
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case 6:
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return 6
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case 7:
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return 7
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case 8:
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return 8
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case 9:
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return 9
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case 10:
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return 10
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case 11:
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return 11
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}
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return 0
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}
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