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https://github.com/golang/go
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6e0adde1e9
We reuse a value for the same selector on the same arg. But if the value is already marked dead, don't reuse it. A use of an OpInvalid will confuse the compiler. Fixes #48916. Change-Id: I15b9e15b49f6e1991fe91df246cd12a193385e85 Reviewed-on: https://go-review.googlesource.com/c/go/+/355409 Trust: Cherry Mui <cherryyz@google.com> Run-TryBot: Cherry Mui <cherryyz@google.com> Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com> Reviewed-by: David Chase <drchase@google.com> TryBot-Result: Go Bot <gobot@golang.org>
38 lines
535 B
Go
38 lines
535 B
Go
// compile
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// Copyright 2021 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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// Issue 48916: expand_calls pass crashes due to a (dead)
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// use of an OpInvalid value.
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package p
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type T struct {
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num int64
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}
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func foo(vs map[T]struct{}, d T) error {
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_, ok := vs[d]
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if !ok {
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return nil
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}
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switch d.num {
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case 0:
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case 1:
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case 2:
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case 3:
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case 4:
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case 5:
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case 6:
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var num float64
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if num != 0 {
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return nil
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}
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}
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return nil
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}
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