[Bug c/50380] cc1 hangs eating 100% CPU

[mikpe at it dot uu.se]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50380

--- Comment #2 from Mikael Pettersson <mikpe at it dot uu.se> 2011-09-21 
23:30:32 UTC ---
The test case got unbroken on trunk by r176563:

http://gcc.gnu.org/ml/gcc-cvs/2011-07/msg00830.html