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go/test/fixedbugs/issue54991.go
Cuong Manh Le 00bee6d9a4 cmd/compile/internal/typebits: relax alignment check
Now we have 8-byte alignment types on 32-bit system, so in some rare
case, e.g, generated wrapper for embedded interface, the function
argument may need more than 4 byte alignment. We could pad somehow, but
this is a rare case which makes it hard to ensure that we've got it right.

So relaxing the check for argument and return value region of the stack.

Fixes #54991

Change-Id: I34986e17a920254392a39439ad3dcb323da2ea8d
Reviewed-on: https://go-review.googlesource.com/c/go/+/431098
Reviewed-by: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
2022-09-19 13:55:28 +00:00

30 lines
348 B
Go

// compile
// Copyright 2022 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.
package p
import (
"sync/atomic"
)
type I interface {
M()
}
type S struct{}
func (*S) M() {}
type T struct {
I
x atomic.Int64
}
func F() {
t := &T{I: &S{}}
t.M()
}