patch - Issue diagnostic on use of large stack variable - don't ICE

[Fariborz Jahanian]

gcc ICEs on use of very large stack variables. Proper behavior is to 
issue  a diagnostic.

Patch is bootstrapped and dejagnu tested on apple-ppc-darwin.

OK for mainline?

- fariborz (fjahanian@apple.com)


ChangeLog:

2005-05-02  Fariborz Jahanian <fjahanian@apple.com>

         * gcc/cfgexpand.c (expand_one_var): Check for stack variable
         size.


	
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