Added test case for SELECT INTO with too many rows.

mysql-test/r/sp-error.result

@@ -5,6 +5,15 @@ create procedure syntaxerror(t int)|
 ERROR 42000: You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
 create procedure syntaxerror(t int)|
 ERROR 42000: You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
+drop table if exists t3|
+create table t3 ( x int )|
+insert into t3 values (2), (3)|
+create procedure bad_into(out param int)
+select x from t3 into param|
+call bad_into(@x)|
+ERROR 42000: Result consisted of more than one row
+drop procedure bad_into|
+drop table t3|
 create procedure proc1()
 set @x = 42|
 create function func1() returns int

mysql-test/t/sp-error.test

@@ -25,6 +25,23 @@ create procedure syntaxerror(t int)|
 #--error 1126
 #create function foo returns real soname "foo.so"|
 
+
+--disable_warnings
+drop table if exists t3|
+--enable_warnings
+create table t3 ( x int )|
+insert into t3 values (2), (3)|
+
+create procedure bad_into(out param int)
+  select x from t3 into param|
+
+--error 1172
+call bad_into(@x)|
+
+drop procedure bad_into|
+drop table t3|
+
+
 create procedure proc1()
   set @x = 42|