[Bug tree-optimization/56075] [gcc-4.7.1] 64-bit version, -Os eliminate some line of code which working fine in gcc-4.6.2 64-bit version

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56075

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-01-23 11:26:50 UTC ---
Non-preprocessed testcase is useless (the original isn't preprocessed either). 
But furthermore, why do you expect that foo won't be optimized just into an
empty function?  If fun is inlined, it doesn't have any side-effects.