aco: Initialize spill_ctx members in constructor.
Fix defects reported by Coverity Scan.
Uninitialized scalar field (UNINIT_CTOR) uninit_member: Non-static class member sgpr_spill_slots is not initialized in this constructor nor in any functions that it calls. uninit_member: Non-static class member vgpr_spill_slots is not initialized in this constructor nor in any functions that it calls.
Fixes: 7d340449 ("aco: refactor VGPR spill/reload lowering") Signed-off-by: Vinson Lee vlee@freedesktop.org