https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85000
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |openmp Status|UNCONFIRMED |NEW Last reconfirmed| |2018-03-21 Component|c |middle-end Ever confirmed|0 |1 --- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- looks like OMP lowering doesn't handle exisiting DECL_VALUE_EXPR from nested functions (it itself tries to use DECL_VALUE_EXPR...). GCC5 ICEs differently, so does GCC4.8 so it never worked.