[Bug 193056] [build] [dtrace] some of the sources fail to compile/link vs clang

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=193056

Mark Johnston <markj at FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|Needs Triage                |Open

--- Comment #1 from Mark Johnston <markj at FreeBSD.org> ---
This can be fixed quite easily by moving the pragma to after the definition of
go() in tst.weak2.c. That is, the following compiles:

  static void
  go(int a)
  {
  ...
  }

  #pragma weak _go = go

But note that tst.weak1.c is identical except for the fact that go() is not
local, and it compiles without errors. So this could be a bug in clang, I'm not
sure.

Note that the following also compiles:

  void _go(int a) __attribute__((weak, alias("go")));

  static void
  go(int a)
  {
  ...
  }

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