Cleanup: Fix Intel compiler warnings about sign conversions

storage/innobase/btr/btr0cur.cc

@@ -4158,7 +4158,7 @@ void btr_cur_upd_rec_in_place(rec_t *rec, const dict_index_t *index,
 			}
 			ulint l = rec_get_1byte_offs_flag(rec)
 				? (n + 1) : (n + 1) * 2;
-			byte* b = &rec[-REC_N_OLD_EXTRA_BYTES - l];
+			byte* b = rec - REC_N_OLD_EXTRA_BYTES - l;
 			compile_time_assert(REC_1BYTE_SQL_NULL_MASK << 8
 					    == REC_2BYTE_SQL_NULL_MASK);
 			mtr->write<1>(*block, b,
@@ -4181,7 +4181,7 @@ void btr_cur_upd_rec_in_place(rec_t *rec, const dict_index_t *index,
 			ut_ad(len == rec_get_nth_field_size(rec, n));
 			ulint l = rec_get_1byte_offs_flag(rec)
 				? (n + 1) : (n + 1) * 2;
-			byte* b = &rec[-REC_N_OLD_EXTRA_BYTES - l];
+			byte* b = rec - REC_N_OLD_EXTRA_BYTES - l;
 			compile_time_assert(REC_1BYTE_SQL_NULL_MASK << 8
 					    == REC_2BYTE_SQL_NULL_MASK);
 			mtr->write<1>(*block, b,

storage/innobase/include/rw_lock.h

@@ -30,9 +30,9 @@ protected:
   /** Available lock */
   static constexpr uint32_t UNLOCKED= 0;
   /** Flag to indicate that write_lock() is being held */
-  static constexpr uint32_t WRITER= 1 << 31;
+  static constexpr uint32_t WRITER= 1U << 31;
   /** Flag to indicate that write_lock_wait() is pending */
-  static constexpr uint32_t WRITER_WAITING= 1 << 30;
+  static constexpr uint32_t WRITER_WAITING= 1U << 30;
   /** Flag to indicate that write_lock() or write_lock_wait() is pending */
   static constexpr uint32_t WRITER_PENDING= WRITER | WRITER_WAITING;
 

storage/innobase/page/page0cur.cc

@@ -2683,7 +2683,7 @@ corrupted:
   data_len-= enc_hdr_l >> 3;
   data= &static_cast<const byte*>(data)[enc_hdr_l >> 3];
 
-  memcpy(buf, &prev_rec[-REC_N_NEW_EXTRA_BYTES - hdr_c], hdr_c);
+  memcpy(buf, prev_rec - REC_N_NEW_EXTRA_BYTES - hdr_c, hdr_c);
   buf+= hdr_c;
   *buf++= static_cast<byte>((enc_hdr_l & 3) << 4); /* info_bits; n_owned=0 */
   *buf++= static_cast<byte>(h >> 5); /* MSB of heap number */

storage/innobase/row/row0merge.cc

@@ -1820,8 +1820,8 @@ row_merge_read_clustered_index(
 	based on that. */
 
 	clust_index = dict_table_get_first_index(old_table);
-	const ulint old_trx_id_col = DATA_TRX_ID - DATA_N_SYS_COLS
-		+ ulint(old_table->n_cols);
+	const ulint old_trx_id_col = ulint(old_table->n_cols)
+		- (DATA_N_SYS_COLS - DATA_TRX_ID);
 	ut_ad(old_table->cols[old_trx_id_col].mtype == DATA_SYS);
 	ut_ad(old_table->cols[old_trx_id_col].prtype
 	      == (DATA_TRX_ID | DATA_NOT_NULL));

storage/innobase/trx/trx0rec.cc

@@ -2455,7 +2455,7 @@ trx_undo_prev_version_build(
 				      == rec_get_nth_field_size(rec, n));
 				ulint l = rec_get_1byte_offs_flag(*old_vers)
 					? (n + 1) : (n + 1) * 2;
-				(*old_vers)[-REC_N_OLD_EXTRA_BYTES - l]
+				*(*old_vers - REC_N_OLD_EXTRA_BYTES - l)
 					&= byte(~REC_1BYTE_SQL_NULL_MASK);
 			}
 		}