[Bug tree-optimization/53340] [4.8 Regression] rnflow.f90 is ~20% slower after revision 187092

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53340

--- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2012-05-14 
09:44:33 UTC ---
Created attachment 27399
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27399
source cptrf2.f90 extracted from rnflow.f90