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go/test/typeparam/issue47740b.go
Keith Randall 687f2acf6a cmd/compile: only use dictionaries for conversions to type parameters
Conversions to regular concrete types should not be rewritten during
stenciling.

Fixes #47740

Change-Id: I2b45e22f962dcd2e18bd6cc876ebc0f850860822
Reviewed-on: https://go-review.googlesource.com/c/go/+/342989
Trust: Keith Randall <khr@golang.org>
Trust: Dan Scales <danscales@google.com>
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
2021-08-18 22:34:31 +00:00

24 lines
372 B
Go

// run -gcflags=-G=3
// 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
import "reflect"
type S[T any] struct {
a interface{}
}
func (e S[T]) M() {
v := reflect.ValueOf(e.a)
_, _ = v.Interface().(int)
}
func main() {
e := S[int]{0}
e.M()
}