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cmd/compile: emit definition of 'any' when compiling runtime

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Include the predefined type 'any' in the list of other important
predefined types that are emitted when compiling the runtime package
(uintptr, string, etc).

Fixes #49619.

Change-Id: I4a851ba2f302fbc3a425e65daa325c6bf83659da
Reviewed-on: https://go-review.googlesource.com/c/go/+/364377
Trust: Than McIntosh <thanm@google.com>
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
This commit is contained in:
Than McIntosh 2021-11-16 18:44:08 -05:00
parent a2b8231b91
commit 3d7cb23e3d
2 changed files with 20 additions and 0 deletions
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1
src/cmd/compile/internal/reflectdata/reflect.go
View file

@ -1384,6 +1384,7 @@ func WriteBasicTypes() {
}
writeType(types.NewPtr(types.Types[types.TSTRING]))
writeType(types.NewPtr(types.Types[types.TUNSAFEPTR]))
writeType(types.AnyType)
// emit type structs for error and func(error) string.
// The latter is the type of an auto-generated wrapper.

19
test/fixedbugs/issue49619.go Normal file
View file

@ -0,0 +1,19 @@
// build
// 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.
// This testcase caused a linker crash in DWARF generation.
package main
//go:noinline
func f() any {
var a []any
return a[0]
}
func main() {
f()
}