[Bug tree-optimization/53419] loop incorrectly optimized to endless loop at -O2 for table delimited by extern addresses (x86-32)

[gary at intrepid dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53419

--- Comment #1 from Gary Funck <gary at intrepid dot com> 2012-05-19 19:41:25 UTC ---
Created attachment 27442
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27442
test case demonstrating endless loop at -O2 on x86-32