[Bug tree-optimization/22237] [4.0/4.1 Regression] struct copy inlining generates overlapping memcpy

[joseph at codesourcery dot com]

------- Additional Comments From joseph at codesourcery dot com  2005-06-29 23:22 -------
Subject: Re:  [4.0/4.1 Regression] struct copy
 inlining generates overlapping memcpy

On Wed, 29 Jun 2005, pinskia at gcc dot gnu dot org wrote:

> I cannot reproduce this on powerpc-darwin at all.

Maybe powerpc-darwin has a sympathetic memcpy which acts like memmove.  
(If the output contains a direct memcpy between p and q the problem is 
there even if libc covers it up.)  I get the failure on both 
i686-pc-linux-gnu and x86_64-unknown-linux-gnu with mainline of today.



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22237