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https://github.com/golang/go
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42f4ccb6f9
There's no need for distinct hmap and hiter types for each map. Shaves 9kB off cmd/go binary size. Change-Id: I7bc3b2d8ec82e7fcd78c1cb17733ebd8b615990a Reviewed-on: https://go-review.googlesource.com/c/go/+/521615 Run-TryBot: Matthew Dempsky <mdempsky@google.com> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Keith Randall <khr@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Auto-Submit: Matthew Dempsky <mdempsky@google.com>
42 lines
953 B
Go
42 lines
953 B
Go
// errorcheck -0 -live -wb=0
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// Copyright 2014 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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// liveness tests with inlining ENABLED
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// see also live.go.
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package main
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// issue 8142: lost 'addrtaken' bit on inlined variables.
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func printnl()
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//go:noescape
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func useT40(*T40)
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type T40 struct {
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m map[int]int
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}
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func newT40() *T40 {
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ret := T40{}
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ret.m = make(map[int]int, 42) // ERROR "live at call to makemap: &ret$"
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return &ret
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}
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func bad40() {
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t := newT40() // ERROR "stack object ret T40$" "stack object .autotmp_[0-9]+ runtime.hmap$"
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printnl() // ERROR "live at call to printnl: ret$"
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useT40(t)
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}
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func good40() {
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ret := T40{} // ERROR "stack object ret T40$"
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ret.m = make(map[int]int, 42) // ERROR "stack object .autotmp_[0-9]+ runtime.hmap$"
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t := &ret
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printnl() // ERROR "live at call to printnl: ret$"
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useT40(t)
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}
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