https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92977
anlauf at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |openmp Priority|P3 |P4 Status|UNCONFIRMED |NEW Last reconfirmed| |2019-12-17 Ever confirmed|0 |1 --- Comment #1 from anlauf at gcc dot gnu.org --- Confirmed when compiling with optimization. Actually, you can compile with optimization, but need to disable front-end optimization (-fno-frontend-optimize).