tgsi: Fix sanity checks for indirect registers.

src/gallium/auxiliary/tgsi/tgsi_sanity.c

@@ -335,13 +335,13 @@ iter_instruction(
          fill_scan_register1d(ind_reg,
                               inst->Src[i].Indirect.File,
                               inst->Src[i].Indirect.Index);
-         if (!(reg->file == TGSI_FILE_ADDRESS || reg->file == TGSI_FILE_LOOP) ||
-             reg->indices[0] != 0) {
+         if (!(ind_reg->file == TGSI_FILE_ADDRESS || ind_reg->file == TGSI_FILE_LOOP) ||
+             ind_reg->indices[0] != 0) {
             report_warning(ctx, "Indirect register neither ADDR[0] nor LOOP[0]");
          }
          check_register_usage(
             ctx,
-            reg,
+            ind_reg,
             "indirect",
             FALSE );
       }