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[Bug rtl-optimization/25791] -O2 execution fails, -O and -g work



------- Comment #22 from ebotcazou at gcc dot gnu dot org  2006-01-19 08:39 -------
> From what I can tell with the testcase, any static data that is not
> 'referenced' is eliminated.  This is terribly non-transparent in programs that
> create tables by using static data to define table members.  Only those members
> specifically referenced are retained by -O2.  That destroys the tables.

Sure, but you must use arrays for tables, not seemingly contiguous objects
which have never been guaranteed to be contiguous by anyone.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25791


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