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53fd522c0d
Follows suit with https://go-review.googlesource.com/#/c/20111. Generated by running $ grep -R 'Go Authors. All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go Authors. All/Go Authors. All/g' $F;done The code in cmd/internal/unvendor wasn't changed. Fixes #15213 Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f Reviewed-on: https://go-review.googlesource.com/21819 Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
// errorcheck -0 -m -l
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// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Test escape analysis for function parameters.
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// In this test almost everything is BAD except the simplest cases
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// where input directly flows to output.
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package foo
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func f(buf []byte) []byte { // ERROR "leaking param: buf to result ~r1 level=0$"
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return buf
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}
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func g(*byte) string
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func h(e int) {
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var x [32]byte // ERROR "moved to heap: x$"
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g(&f(x[:])[0]) // ERROR "&f\(x\[:\]\)\[0\] escapes to heap$" "x escapes to heap$"
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}
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type Node struct {
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s string
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left, right *Node
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}
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func walk(np **Node) int { // ERROR "leaking param content: np"
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n := *np
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w := len(n.s)
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if n == nil {
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return 0
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}
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wl := walk(&n.left) // ERROR "walk &n.left does not escape"
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wr := walk(&n.right) // ERROR "walk &n.right does not escape"
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if wl < wr {
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n.left, n.right = n.right, n.left
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wl, wr = wr, wl
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}
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*np = n
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return w + wl + wr
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}
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// Test for bug where func var f used prototype's escape analysis results.
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func prototype(xyz []string) {} // ERROR "prototype xyz does not escape"
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func bar() {
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var got [][]string
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f := prototype
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f = func(ss []string) { got = append(got, ss) } // ERROR "leaking param: ss" "func literal does not escape"
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s := "string"
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f([]string{s}) // ERROR "\[\]string literal escapes to heap"
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}
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