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f1596d76f4
types2 allows the conversion of a slice of a user-defined byte type B (not builtin uint8 or byte) to string. But runtime.slicebytetostring requires a []byte argument, so add in a CONVNOP from []B to []byte if needed. Same for the conversion of a slice of user-defined rune types to string. I made the same change in the transformations of the old typechecker, so as to keep tcConv() and transformConv() in sync. That fixes the bug for -G=0 mode as well. Fixes #23536 Change-Id: Ic79364427f27489187f3f8015bdfbf0769a70d69 Reviewed-on: https://go-review.googlesource.com/c/go/+/376056 Reviewed-by: Matthew Dempsky <mdempsky@google.com> Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com> Reviewed-by: Keith Randall <khr@golang.org> Trust: Dan Scales <danscales@google.com> Run-TryBot: Dan Scales <danscales@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
23 lines
428 B
Go
23 lines
428 B
Go
// run
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// Copyright 2022 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Test case where a slice of a user-defined byte type (not uint8 or byte) is
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// converted to a string. Same for slice of runes.
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package main
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type MyByte byte
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type MyRune rune
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func main() {
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var y []MyByte
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_ = string(y)
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var z []MyRune
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_ = string(z)
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}
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