nv50/ir: Initialize Source members.

Fix defects reported by Coverity Scan.

uninit_member: Non-static class member insns is not initialized in this
constructor nor in any functions that it calls.
uninit_member: Non-static class member clipVertexOutput is not
initialized in this constructor nor in any functions that it calls.

Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6769>
1 file changed