ir_to_mesa: Copy reladdr in src_reg(dst_reg) constructor
Fixes i965 piglit:
vs-temp-array-mat[234]-col-row-wr
vs-temp-array-mat[234]-index-col-row-wr
vs-temp-array-mat[234]-index-row-wr
vs-temp-mat[234]-col-row-wr
Fixes swrast piglit:
fs-temp-array-mat[234]-col-row-wr
fs-temp-array-mat[234]-index-col-row-wr
fs-temp-array-mat[234]-index-row-wr
fs-temp-mat[234]-col-row-wr
vs-temp-array-mat[234]-col-row-wr
vs-temp-array-mat[234]-index-col-row-wr
vs-temp-array-mat[234]-index-row-wr
vs-temp-mat[234]-col-row-wr
Reviewed-by: Eric Anholt <eric@anholt.net>
(cherry picked from commit
f7cd9a858c043e609fcdbf9ac9dfc1ef7ad002bf)