Up-merge from 5.0

mysql-test/t/type_bit_innodb.test

@@ -40,6 +40,8 @@ drop table t1;
 create table t1 (a bit) engine=innodb;
 insert into t1 values (b'0'), (b'1'), (b'000'), (b'100'), (b'001');
 select hex(a) from t1;
+# It is not deterministic which duplicate will be seen first
+--replace_regex /(.*Duplicate entry )'.*'( for key.*)/\1''\2/
 --error ER_DUP_ENTRY
 alter table t1 add unique (a);
 drop table t1;