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cmd/compile, go/types: allow any anywhere (as a type)

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Adjust types2 and go/types and some test cases.

Because `any` is not treated specially anymore in constraint
position we get additional errors in constraints if `any` is
used before Go1.18 (in addition to the error that type parameter
lists are not permitted before Go1.18).

Fixes .

Change-Id: I85590c6094b07c3e494fef319e3a38d0217cf6f0
Reviewed-on: https://go-review.googlesource.com/c/go/+/351456
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
This commit is contained in:
Robert Griesemer
2021-09-22 11:26:40 -07:00
parent 7a03ca65b3
commit 1e57748892
14 changed files with 49 additions and 80 deletions
src
cmd
compile
internal
types2
decl.go
testdata
check
typeparams.go2
examples
constraints.go2types.go2
fixedbugs
issue47818.go2
typexpr.go
go
types
decl.go
testdata
check
typeparams.go2
examples
constraints.go2types.go2
fixedbugs
issue47818.go2
typexpr.go
test
fixedbugs
issue14652.go
typeparam
tparam1.go

5
test/fixedbugs/issue14652.go

@ -1,4 +1,4 @@
// errorcheck
// compile
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
@ -6,4 +6,5 @@
package p
var x any // ERROR "undefined: any|undefined type .*any.*|cannot use any outside constraint position"
// any is now permitted instead of interface{}
var x any