https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99171
Dominique d'Humieres <dominiq at lps dot ens.fr> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2021-02-20 Ever confirmed|0 |1 Status|UNCONFIRMED |NEW --- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- Confirmed on GCC10 and 11. With GCC9 the run time give When optional function is called without Open MP directive: Printing Something When optional function is called inside Open MP directive: Printing Something Printing Something Printing Something Printing Something Printing Something Printing Something Printing Something Printing Something Printing Something Printing Something Printing Something Printing Something Printing Something Printing Something Printing Something Printing Something