[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 #39 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
OK, I can reproduce this here.  The problem is the read is trying to go past
where we adjusted the string length due to things like 1X and / in the format.

Good catch, thanks