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![Ian Lance Taylor](/assets/img/avatar_default.png)
label.go:30:1: error: label ‘L6’ already defined label.go:28:1: note: previous definition of ‘L6’ was here label.go:23:1: error: label ‘L4’ defined and not used label.go:52:2: error: label ‘defalt’ defined and not used label.go:17:1: error: label ‘L2’ defined and not used label.go:26:1: error: label ‘L5’ defined and not used label.go:20:1: error: label ‘L3’ defined and not used label.go:14:1: error: label ‘L1’ defined and not used label1.go:32:13: error: invalid continue label ‘L2’ label1.go:44:13: error: invalid continue label ‘L3’ label1.go:52:10: error: invalid break label ‘L4’ label1.go:55:13: error: invalid continue label ‘L4’ label1.go:65:9: error: invalid break label ‘L5’ label1.go:68:12: error: invalid continue label ‘L5’ label1.go:76:10: error: invalid break label ‘L1’ label1.go:79:13: error: invalid continue label ‘L1’ R=rsc CC=golang-dev https://golang.org/cl/4275078
86 lines
1.1 KiB
Go
86 lines
1.1 KiB
Go
// errchk $G -e $D/$F.go
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// Copyright 2011 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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// Pass 2 label errors.
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package main
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var x int
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func f() {
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L1:
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for {
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if x == 0 {
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break L1
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}
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if x == 1 {
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continue L1
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}
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goto L1
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}
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L2:
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select {
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default:
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if x == 0 {
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break L2
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}
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if x == 1 {
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continue L2 // ERROR "invalid continue label .*L2"
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}
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goto L2
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}
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L3:
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switch {
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case x > 10:
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if x == 11 {
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break L3
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}
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if x == 12 {
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continue L3 // ERROR "invalid continue label .*L3"
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}
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goto L3
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}
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L4:
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if true {
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if x == 13 {
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break L4 // ERROR "invalid break label .*L4"
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}
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if x == 14 {
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continue L4 // ERROR "invalid continue label .*L4"
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}
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if x == 15 {
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goto L4
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}
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}
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L5:
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f()
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if x == 16 {
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break L5 // ERROR "invalid break label .*L5"
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}
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if x == 17 {
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continue L5 // ERROR "invalid continue label .*L5"
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}
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if x == 18 {
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goto L5
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}
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for {
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if x == 19 {
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break L1 // ERROR "invalid break label .*L1"
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}
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if x == 20 {
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continue L1 // ERROR "invalid continue label .*L1"
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}
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if x == 21 {
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goto L1
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}
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}
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}
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