[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 #3 from Mikael Pettersson <mikpe at it dot uu.se> 2011-09-22 08:51:19 UTC ---
Created attachment 25335
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25335
reduced test case

Much reduced test case.  So far I've only been able to reproduce the looping
cc1 with crosses to mips-linux.