mirror of
https://github.com/golang/go
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0ec2c4abba
Repair of CL 300749. ALSO: found evidence that stack maps for bodyless methods are wrong. gofmt in test/abi removed never-executed code in types/size.go Updates #44816. Updates #40724. Change-Id: Ifeb5fee60f60e7c7b58ee0457f58a3265d6cf3f6 Reviewed-on: https://go-review.googlesource.com/c/go/+/302071 Trust: David Chase <drchase@google.com> Reviewed-by: Cherry Zhang <cherryyz@google.com>
53 lines
1.0 KiB
Go
53 lines
1.0 KiB
Go
// run
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//go:build !wasm
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// +build !wasm
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// Copyright 2021 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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package main
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import (
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"fmt"
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)
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type toobig struct {
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a, b, c string
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}
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//go:registerparams
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//go:noinline
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func (x *toobig) MagicMethodNameForTestingRegisterABI(y toobig, z toobig) toobig {
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return toobig{x.a, y.b, z.c}
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}
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type AnInterface interface {
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MagicMethodNameForTestingRegisterABI(y toobig, z toobig) toobig
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}
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//go:registerparams
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//go:noinline
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func I(a, b, c string) toobig {
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return toobig{a, b, c}
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}
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// AnIid prevents the compiler from figuring out what the interface really is.
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//go:noinline
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func AnIid(x AnInterface) AnInterface {
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return x
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}
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var tmp toobig
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func main() {
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x := I("Ahoy", "1,", "2")
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y := I("3", "there,", "4")
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z := I("5", "6,", "Matey")
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tmp = x.MagicMethodNameForTestingRegisterABI(y, z)
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fmt.Println(tmp.a, tmp.b, tmp.c)
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tmp = AnIid(&x).MagicMethodNameForTestingRegisterABI(y, z)
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fmt.Println(tmp.a, tmp.b, tmp.c)
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}
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