[Bug target/50588] gcc produce bad inlined code with -march=athlon -O2

[mikpe at it dot uu.se]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50588

--- Comment #3 from Mikael Pettersson <mikpe at it dot uu.se> 2011-10-02 
13:00:42 UTC ---
The preprocessed test case SEGVs for me with gcc-4.6-20110930, but works with
4.7-20111001, 4.5-20110929, and 4.4-20110927.