https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120480
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
typedef struct {
int digits;
int emax;
int emin
} decContext;
decContext decSetSubnormal_set;
decSetSubnormal() { decContext worksetworkset = decSetSubnormal_set; }
is a reduced testcase that fails with -O0
