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Re: Fix for 10591, make variables in anonymous namespace static

From: Richard Henderson <rth at redhat dot com>
To: Jason Merrill <jason at redhat dot com>
Cc: Geoffrey Keating <gkeating at apple dot com>, gcc-patches at gcc dot gnu dot org
Date: Thu, 4 Dec 2003 17:22:36 -0800
Subject: Re: Fix for 10591, make variables in anonymous namespace static
References: <20031204211922.9AC69733F74@geoffk4.apple.com> <xyp65gwfbb1.fsf@miranda.boston.redhat.com>

On Thu, Dec 04, 2003 at 05:49:38PM -0500, Jason Merrill wrote:
> I'm dubious.  The whole point of the anonymous namespace is that
> declarations have external linkage, so that their addresses can be used as
> template arguments.  This may not be important now, but it will be once we
> implement export.

If we ever implement export, then we'll know which variables are so
referenced by templates, and can export only those.

In the meantime, exporting these names just pollutes the object file
symbol table and causes cgraph to not optimize them as well as it
could otherwise.

r~

References:
- Fix for 10591, make variables in anonymous namespace static
  - From: Geoffrey Keating
- Re: Fix for 10591, make variables in anonymous namespace static
  - From: Jason Merrill

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