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go/test/abi/open_defer_1.go
David Chase d206ca5cac cmd/compile: fix open defer of method call
Code generation for open defers failed to account for
presence of method receiver and thus was OFF BY ONE.

Fixes #45062.
Updates #44816.
Updates #40724.

Change-Id: Ia90ea8fd0f7d823e1f757c406f9127136c2ffdd2
Reviewed-on: https://go-review.googlesource.com/c/go/+/302249
Trust: David Chase <drchase@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2021-03-16 19:23:36 +00:00

37 lines
627 B
Go

// run
// Copyright 2021 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.
// For #45062, miscompilation of open defer of method invocation
package main
func main() {
var x, y, z int = -1, -2, -3
F(x, y, z)
}
//go:noinline
func F(x, y, z int) {
defer i.M(x, y, z)
defer func() { recover() }()
panic("XXX")
}
type T int
func (t *T) M(x, y, z int) {
if x == -1 && y == -2 && z == -3 {
return
}
println("FAIL: Expected -1, -2, -3, but x, y, z =", x, y, z)
}
var t T = 42
type I interface{ M(x, y, z int) }
var i I = &t