https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99204
Dominique d'Humieres <dominiq at lps dot ens.fr> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2021-02-22 Status|UNCONFIRMED |WAITING Ever confirmed|0 |1 --- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- WORKSFORME: % gfc pr99204.f90 % ./a.out Program received signal SIGSEGV: Segmentation fault - invalid memory reference. If I compile with -fcheck=all I get % gfc pr99204.f90 -fcheck=all % ./a.out At line 4 of file pr99204.f90 Fortran runtime error: Substring out of bounds: lower bound (-12345678) is less than one