Kill LINK_LIBGCC_SPECIAL

[Joseph S. Myers]

On Fri, 11 Feb 2005, Daniel Jacobowitz wrote:

> This macro is no longer defined anywhere.  LINK_LIBGCC_SPECIAL_1 still is,
> but it wouldn't be much work to kill it if someone gets the urge.

Dead target macros should be poisoned in system.h.

-- 
Joseph S. Myers               http://www.srcf.ucam.org/~jsm28/gcc/
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