RFR: 8274293: Build failure with Xcode 13.0 due to vfork is deprecated

[Alan Bateman]

On Fri, 24 Sep 2021 16:18:57 GMT, xpbob <github.com+7837910+xpbob at openjdk.org> wrote:

> remove vfork() on Darwin

src/java.base/unix/native/libjava/ProcessImpl_md.c line 447:

> 445: #endif
> 446: 
> 447: /* vfork(2) is deprecated on Solaris and Darwin */

Drive by comment is that we can probably drop "Solaris" from the comment.

-------------

PR: https://git.openjdk.java.net/jdk/pull/5686