[Bug tree-optimization/47290] [4.5/4.6 Regression] memory exhausted compiling a destructor with an infinite 'for (;;);' loop

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47290

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-18 
13:07:06 UTC ---
Created attachment 23017
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23017
gcc46-pr47290.patch

Another possible untested patch that should handle any number of bbs in empty
infinite loop.