The test suite erroneously removes backslashes.

mysql-test/r/profiling.result

@@ -198,7 +198,7 @@ Query_ID	Duration	Query
 38	#	insert into t2 values (1), (2), (3)
 39	#	insert into t3 values (1), (2), (3)
 40	#	select * from t1
-This ^^ should end in "select * from t1;\"
+This ^^ should end in "select * from t1;"
 delete from t1;
 insert into t1 values (1), (2), (3);
 insert into t1 values (1), (2), (3);

mysql-test/t/profiling.test

@@ -113,7 +113,7 @@ show profiles;
 select * from t1;
 --replace_column 2 #
 show profiles;
---echo This ^^ should end in \"select * from t1;\"
+--echo This ^^ should end in "select * from t1;"
 
 delete from t1;
 insert into t1 values (1), (2), (3);