[Bug rtl-optimization/15248] [4.0 Regression] Reload may generate stores to read-only memory

["mark at codesourcery dot com" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From mark at codesourcery dot com  2005-05-09 00:20 -------
Subject: Re:  [4.0 Regression] Reload may generate
 stores to read-only memory

ebotcazou at gcc dot gnu dot org wrote:
> ------- Additional Comments From ebotcazou at gcc dot gnu dot org  2005-05-07 16:52 -------
> 
>>I don't know that I'm in a position to make a good decision here, but I 
>>do agree with Jeff -- it would be a lot more compelling to make the 
>>change if there was actually a demonstrable problem -- especially coming 
>>from non-synthetic code.
> 
> 
> I presume you'd like to have a testcase that fails with 4.0.x?  Because I can
> hardly think of a more demonstrable problem than this one: Jeff's analysis for
> 4.1.x was exactly the same as mine for 3.3.x and nothing has changed in the code.

Yes, a 4.0 testcase was what I had in mind.  If you don't think it's 
easy to come up with one, but you are sure that people are likely to run 
into this bug, let me know.



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15248