[Bug other/40051] [4.3, 4.4, 4.5] regression member variable of a C++ class is read to a register for future use before it is written

[pinskia at gcc dot gnu dot org]

------- Comment #2 from pinskia at gcc dot gnu dot org  2009-05-06 21:59 -------
>SVN commit 138953 introduced a bug where code compiled at -O2 and above reads a
value into a register before it is written in a function called by the
optimized code.

No, from the sound of it there is an alias violation in the code.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40051