[Bug c/40172] [4.5 Regression] Revision 147596 breaks bootstrap

[hjl dot tools at gmail dot com]

------- Comment #10 from hjl dot tools at gmail dot com  2009-05-17 20:14 -------
(In reply to comment #9)
> Still does not fix the PPC-darwin bootstrap:
> cc1: warnings being treated as errors
> /Users/regress/tbox/svn-gcc/gcc/toplev.c: In function 'process_options':
> /Users/regress/tbox/svn-gcc/gcc/toplev.c:2043: error: logical 'and' of mutually
> exclusive tests is always false
> 
>   if (!FRAME_GROWS_DOWNWARD && flag_stack_protect)
> 

This warning may be correct:

rs6000.h:#define FRAME_GROWS_DOWNWARD (flag_stack_protect != 0)


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40172