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148 lines
2.9 KiB
148 lines
2.9 KiB
// run
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// Copyright 2019 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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// Make sure that in code involving indexing, the bounds
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// check always fails at the line number of the '[' token.
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package main
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import (
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"fmt"
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"runtime"
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"strings"
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)
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type T struct{ a, b, c, d, e int } // unSSAable
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func main() {
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shouldPanic(func() {
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var a [1]int
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sink = a /*line :999999:1*/ [ /*line :100:1*/ i]
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})
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shouldPanic(func() {
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var a [3]int
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sink = a /*line :999999:1*/ [ /*line :200:1*/ i]
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})
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shouldPanic(func() {
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var a []int
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sink = a /*line :999999:1*/ [ /*line :300:1*/ i]
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})
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shouldPanic(func() {
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var a [1]int
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a /*line :999999:1*/ [ /*line :400:1*/ i] = 1
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})
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shouldPanic(func() {
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var a [3]int
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a /*line :999999:1*/ [ /*line :500:1*/ i] = 1
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})
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shouldPanic(func() {
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var a []int
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a /*line :999999:1*/ [ /*line :600:1*/ i] = 1
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})
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shouldPanic(func() {
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var a [3]T
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sinkT = a /*line :999999:1*/ [ /*line :700:1*/ i]
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})
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shouldPanic(func() {
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var a []T
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sinkT = a /*line :999999:1*/ [ /*line :800:1*/ i]
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})
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shouldPanic(func() {
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var a [3]T
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a /*line :999999:1*/ [ /*line :900:1*/ i] = T{}
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})
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shouldPanic(func() {
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var a []T
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a /*line :999999:1*/ [ /*line :1000:1*/ i] = T{}
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})
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shouldPanic(func() {
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var a [3]int
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sinkS = a /*line :999999:1*/ [ /*line :1100:1*/ i:]
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})
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shouldPanic(func() {
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var a []int
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sinkS = a /*line :999999:1*/ [ /*line :1200:1*/ i:]
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})
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shouldPanic(func() {
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var a [3]int
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sinkS = a /*line :999999:1*/ [: /*line :1300:1*/ i]
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})
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shouldPanic(func() {
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var a []int
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sinkS = a /*line :999999:1*/ [: /*line :1400:1*/ i]
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})
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shouldPanic(func() {
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var a [3]T
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sinkST = a /*line :999999:1*/ [ /*line :1500:1*/ i:]
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})
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shouldPanic(func() {
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var a []T
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sinkST = a /*line :999999:1*/ [ /*line :1600:1*/ i:]
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})
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shouldPanic(func() {
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var a [3]T
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sinkST = a /*line :999999:1*/ [: /*line :1700:1*/ i]
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})
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shouldPanic(func() {
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var a []T
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sinkST = a /*line :999999:1*/ [: /*line :1800:1*/ i]
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})
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shouldPanic(func() {
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s := "foo"
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sinkB = s /*line :999999:1*/ [ /*line :1900:1*/ i]
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})
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shouldPanic(func() {
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s := "foo"
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sinkStr = s /*line :999999:1*/ [ /*line :2000:1*/ i:]
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})
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shouldPanic(func() {
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s := "foo"
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sinkStr = s /*line :999999:1*/ [: /*line :2100:1*/ i]
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})
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if bad {
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panic("ERRORS")
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}
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}
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var i = 9
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var sink int
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var sinkS []int
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var sinkT T
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var sinkST []T
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var sinkB byte
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var sinkStr string
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var bad = false
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func shouldPanic(f func()) {
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defer func() {
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if recover() == nil {
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panic("did not panic")
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}
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var pcs [10]uintptr
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n := runtime.Callers(1, pcs[:])
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iter := runtime.CallersFrames(pcs[:n])
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buf := ""
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for {
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frame, more := iter.Next()
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buf += fmt.Sprintf("%s:%d %s\n", frame.File, frame.Line, frame.Function)
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if !more {
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break
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}
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}
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if !strings.Contains(buf, "999999") {
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fmt.Printf("could not find marker line in traceback:\n%s\n", buf)
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bad = true
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}
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}()
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f()
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}
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