https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61853
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2014-07-19 CC| |ebotcazou at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #2 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > (gdb) p debug_rtx (target) > (parallel:BLK [ > (expr_list:REG_DEP_TRUE (reg:DI 101 [ <retval> ]) > (const_int 0 [0])) > ]) > $1 = void > > Maybe one can't store into a BLKmode structure? Not sure what you mean exactly but store_field shouldn't have been invoked on a PARALLEL so the problem is very likely up in the call chain.