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https://github.com/golang/go
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0285d2b96b
Revision 3ae4607a43ff introduced CONVNOP layers to fix type checking issues arising from comparisons. The added complexity made 8g run out of registers when compiling an equality function in go.net/ipv6. A similar issue occurred in test/sizeof.go on amd64p32 with 6g. Fixes #7405. LGTM=khr R=rsc, dave, iant, khr CC=golang-codereviews https://golang.org/cl/78100044
52 lines
638 B
Go
52 lines
638 B
Go
// compile
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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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// Issue 7405: the equality function for struct with many
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// embedded fields became more complex after fixing issue 7366,
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// leading to out of registers on 386.
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package p
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type T1 struct {
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T2
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T3
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T4
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}
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type T2 struct {
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Conn
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}
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type T3 struct {
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PacketConn
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}
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type T4 struct {
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PacketConn
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T5
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}
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type T5 struct {
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x int
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T6
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}
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type T6 struct {
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y, z int
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}
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type Conn interface {
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A()
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}
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type PacketConn interface {
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B()
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}
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func F(a, b T1) bool {
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return a == b
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}
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