[Bug libfortran/38199] [4.7/4.8/4.9 Regression] missed optimization: I/O performance

[jvdelisle at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38199

--- Comment #40 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
Created attachment 32335
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32335&action=edit
Updated patch taking care of NIST failures and cleaned up

This patch regression tests and passes NIST on x86-64.  I have restructured it
and took care of leaping on uninitialized values.

Dominiq. Can you give it a spin? Thanks