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'static' in array-size func parm

From: Thien-Thi Nguyen
Subject: 'static' in array-size func parm
Date: Wed, 06 Aug 2014 08:30:29 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux)

I recently learned that GCC 3.4.3 on Solaris 10 cannot compile:

 last (int count, int all[static count])
   return all[count - 1];

(valid C99, AFAIU), and have changed GNU RCS to work around the
situation, in the form of a configure-time test[0], a simple cpp
macro[1], and then various uses[2] of the macro.

 [0] http://git.sv.gnu.org/cgit/rcs.git/commit/?id=c5909f7785
 [1] http://git.sv.gnu.org/cgit/rcs.git/commit/?id=3efe2d4c96
 [2] http://git.sv.gnu.org/cgit/rcs.git/commit/?id=ab84450872

Would this stuff (appropriately massaged) be interesting to gnulib?

Thien-Thi Nguyen
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