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go/test/fixedbugs/issue50190.go
Matthew Dempsky 933f6685f7 cmd/compile: unique LinkString for renamed, embedded fields
Using type aliases, it's possible to create structs with embedded
fields that have no corresponding type literal notation. However, we
still need to generate a unique name for these types to use for linker
symbols. This CL introduces a new "struct{ Name = Type }" syntax for
use in LinkString formatting to represent these types.

Fixes #50190.

Change-Id: I025ceb09a86e00b7583d3b9885d612f5d6cb44fe
Reviewed-on: https://go-review.googlesource.com/c/go/+/372914
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Trust: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
Trust: Dan Scales <danscales@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
2022-01-10 17:54:35 +00:00

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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.
package main
type int float32
type Int = int
type A = struct{ int }
type B = struct{ Int }
func main() {
var x, y interface{} = A{}, B{}
if x == y {
panic("FAIL")
}
}