https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98490
Jerry DeLisle <jvdelisle at charter dot net> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jvdelisle at charter dot net --- Comment #4 from Jerry DeLisle <jvdelisle at charter dot net> --- With gfortran version 11.0.0 20201227 $ gfc -fbounds-check pr98490.f90 $ $ ./a.out At line 15 of file pr98490.f90 Fortran runtime error: Substring out of bounds: lower bound (0) of 'text' is less than one After Steves patch: $ gfc -fbounds-check pr98490.f90 $ ./a.out Lorem ipsum Steve would you like me to commit for you? Regression testing now.