[Bug rtl-optimization/45678] [4.4/4.5/4.6 Regression] crash on vector code with -m32 -msse

[hjl dot tools at gmail dot com]

------- Comment #10 from hjl dot tools at gmail dot com  2010-09-16 13:10 
-------
When __builtin_memcpy increases the alignment of source
or destination, it should update needed stack alignment if
source or destination is on stack.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45678