* TSX up 79.38 pts, or 0.7 pct, at 11,481.16 * Gold miners lead gains * Bombardier Inc up 6.6 pct after jet deal * Rising Spanish debt yields spook investors By Jon Cook TORONTO, June 12 (Reuters) - Canadian stocks were higher in volatile trade on Tuesday as gains from gold miners and a windfall deal for Bombardier Inc offset concerns about Europe's lingering debt crisis. Eight of Canada's 10 main sectors were higher. The heavily-weighted materials group led gains, cli