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go/test/fixedbugs/issue49378.go
Cuong Manh Le f249fa27a9 cmd/compile: only update source type when processing struct/array
CL 360057 fixed missing update source type in storeArgOrLoad. However,
we should only update the type when processing struct/array. If we
update the type right before calling storeArgOrLoad, we may generate a
value with invalid type, e.g, OpStructSelect with non-struct type.

Fixes #49378

Change-Id: Ib7e10f72f818880f550aae5c9f653db463ce29b0
Reviewed-on: https://go-review.googlesource.com/c/go/+/361594
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
2021-11-05 16:35:00 +00:00

26 lines
455 B
Go

// compile
// 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.
package p
func f(i int) {
var s1 struct {
s struct{ s struct{ i int } }
}
var s2, s3 struct {
a struct{ i int }
b int
}
func() {
i = 1 + 2*i + s3.a.i + func() int {
s2.a, s2.b = s3.a, s3.b
return 0
}() + func(*int) int {
return s1.s.s.i
}(new(int))
}()
}