[Bug target/50350] [4.6 Regression] ICE (segfault) in canonicalize_float_value

[doko at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50350

--- Comment #6 from Matthias Klose <doko at gcc dot gnu.org> 2011-10-18 
11:44:57 UTC ---
the proposed patch lets the build succeed