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[dev.typeparams] cmd/compile/internal/types2: report error for invalid type expression
This bug was introduced by the change from go/ast to syntax which represents pointer types as (unary) operations rather than dedicated StarExpr nodes. Accordingly, this bug does not exist for go/types. It's still ok to backport the test. Fixes #43125. Change-Id: Ic55d913f8afc92862856e1eb7c2861d07fc56cfb Reviewed-on: https://go-review.googlesource.com/c/go/+/278013 Trust: Robert Griesemer <gri@golang.org> Run-TryBot: Robert Griesemer <gri@golang.org> Reviewed-by: Robert Findley <rfindley@google.com> TryBot-Result: Go Bot <gobot@golang.org>
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src/cmd/compile/internal/types2/fixedbugs/issue43125.src
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src/cmd/compile/internal/types2/fixedbugs/issue43125.src
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@ -0,0 +1,8 @@
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// Copyright 2020 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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package p
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var _ = new(- /* ERROR not a type */ 1)
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var _ = new(1 /* ERROR not a type */ + 1)
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@ -535,6 +535,9 @@ func (check *Checker) typInternal(e0 syntax.Expr, def *Named) (T Type) {
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return typ
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}
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check.errorf(e0, "%s is not a type", e0)
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check.use(e0)
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case *syntax.FuncType:
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typ := new(Signature)
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def.setUnderlying(typ)
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