[Bug target/57848] internal compiler error on build with mingw-w64

[mikpe at it dot uu.se]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57848

--- Comment #4 from Mikael Pettersson <mikpe at it dot uu.se> ---
The reduced test case also ICEs 4.8-20130704, 4.7-20130706, and 4.6-20130405
(haven't checked older versions yet).