mirror of
https://github.com/golang/go
synced 2024-11-22 20:50:05 -07:00
d94b7a1876
Extendible hashing splits a swisstable map into many swisstables. This keeps grow operations small. For #54766. Cq-Include-Trybots: luci.golang.try:gotip-linux-ppc64_power10,gotip-linux-amd64-longtest-swissmap Change-Id: Id91f34af9e686bf35eb8882ee479956ece89e821 Reviewed-on: https://go-review.googlesource.com/c/go/+/604936 Reviewed-by: Keith Randall <khr@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Keith Randall <khr@google.com>
42 lines
1009 B
Go
42 lines
1009 B
Go
// errorcheck -0 -live -wb=0
|
|
|
|
// Copyright 2014 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// liveness tests with inlining ENABLED
|
|
// see also live.go.
|
|
|
|
package main
|
|
|
|
// issue 8142: lost 'addrtaken' bit on inlined variables.
|
|
|
|
func printnl()
|
|
|
|
//go:noescape
|
|
func useT40(*T40)
|
|
|
|
type T40 struct {
|
|
m map[int]int
|
|
}
|
|
|
|
func newT40() *T40 {
|
|
ret := T40{}
|
|
ret.m = make(map[int]int, 42) // ERROR "live at call to makemap: &ret$"
|
|
return &ret
|
|
}
|
|
|
|
func bad40() {
|
|
t := newT40() // ERROR "stack object ret T40$" "stack object .autotmp_[0-9]+ (runtime.hmap|internal/runtime/maps.Map)$"
|
|
printnl() // ERROR "live at call to printnl: ret$"
|
|
useT40(t)
|
|
}
|
|
|
|
func good40() {
|
|
ret := T40{} // ERROR "stack object ret T40$"
|
|
ret.m = make(map[int]int, 42) // ERROR "stack object .autotmp_[0-9]+ (runtime.hmap|internal/runtime/maps.Map)$"
|
|
t := &ret
|
|
printnl() // ERROR "live at call to printnl: ret$"
|
|
useT40(t)
|
|
}
|