https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102910
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Component|fortran |testsuite Last reconfirmed| |2021-10-24 Ever confirmed|0 |1 Version|unknown |12.0 --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I think the following is better: #ifndef alloca #define alloca __builtin_alloca #endif Instead of the include of alloca.h.