https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69827
Thomas Koenig <tkoenig at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |x86_64-unknown-cygwin Component|tree-optimization |target --- Comment #2 from Thomas Koenig <tkoenig at gcc dot gnu.org> --- Also works for me on Linux. Hmm... what I find strange is that sincos is called from __builtin_sincos anyway. So, looks like a target issue.