syscall: disable O_DIRECTORY on Windows for js/wasm
O_DIRECTORY is not available on all platforms, as described at
https://nodejs.org/docs/latest/api/fs.html#file-open-constants .
On Windows, only O_APPEND, O_CREAT, O_EXCL, O_RDONLY, O_RDWR,
O_TRUNC, O_WRONLY, and UV_FS_O_FILEMAP are available.
Fixes #71758
Change-Id: Iacc890ba9a30dcd75eb746ec324fa0c3e368048e
GitHub-Last-Rev:
a0160e8fc82583c4f903ae165fe9f204896cf56d
GitHub-Pull-Request: golang/go#71770
Reviewed-on: https://go-review.googlesource.com/c/go/+/650015
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Bypass: Dmitri Shuralyov <dmitshur@golang.org>