Gazelle reports "could not merge expression" when using select statements in hdrs or srcs

[hofbi]

What version of gazelle are you using?

bazel_dep(name = "gazelle", version = "0.35.0")

What version of rules_go are you using?

bazel_dep(name = "rules_go", version = "0.46.0")

What version of Bazel are you using?

7.0.2

Does this issue reproduce with the latest releases of all the above?

Yes, thats what we use

What operating system and processor architecture are you using?

Ubuntu 20.04 x86

What did you do?

1. I use a select statement in hdrs or srcs with @platforms//os:XXX as key
2. For some platforms such as @platforms//os:windows, @platforms//os:linux, @platforms//os:iosthe merge works fine, while for others such as @platforms//os:qnx or @platforms//os:osx this results in a could not merge expression error

What did you expect to see?

The same behavior as for the other platforms

What did you see instead?

could not merge expression error

[hofbi]

Maybe

bazel-gazelle/rule/platform.go

Line 51 in ec1591c

var KnownPlatforms = []Platform{

is a good starting point, since it looks like the issue happens for all platforms not part of this list.