Additional fix for BUG#5907: Traditional mode: invalid value can be inserted via a stored procedure

... make the handler catch too.

mysql-test/r/strict.result

@@ -1180,7 +1180,8 @@ Note	1305	PROCEDURE t1 does not exist
 create procedure t1 () begin declare exit handler for sqlexception
 select'a'; insert into t1 values (200); end;|
 call t1();
-ERROR 22003: Out of range value adjusted for column 'col1' at row 1
+a
+a
 select * from t1;
 col1
 drop procedure t1;

mysql-test/t/strict.test

@@ -1040,7 +1040,6 @@ delimiter |;
 create procedure t1 () begin declare exit handler for sqlexception
 select'a'; insert into t1 values (200); end;|
 delimiter ;|
---error 1264
 call t1();
 select * from t1;
 drop procedure t1;

sql/sp_head.cc

@@ -561,7 +561,10 @@ sp_head::execute(THD *thd)
     // Check if an exception has occurred and a handler has been found
     // Note: We havo to check even if ret==0, since warnings (and some
     //       errors don't return a non-zero value.
-    if (!thd->killed && ctx)
+    //       We also have to check even if thd->killed != 0, since some
+    //       errors return with this even when a handler has been found
+    //       (e.g. "bad data").
+    if (ctx)
     {
       uint hf;
 
@@ -579,6 +582,7 @@ sp_head::execute(THD *thd)
 	ctx->clear_handler();
 	ctx->in_handler= TRUE;
         thd->clear_error();
+	thd->killed= THD::NOT_KILLED;
 	continue;
       }
     }