[Bug rtl-optimization/25791] -O2 execution fails, -O and -g work
ebotcazou at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Thu Jan 19 08:39:00 GMT 2006
------- 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.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25791
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