Bug#21476 - Lost Database Connection During Query

Backport from 5.1.
Raised STACK_MIN_SIZE for Debian GNU/Linux Sid,
Linux kernel 2.6.16,
gcc version 3.3.6 (Debian 1:3.3.6-13),
libc6-dbg 2.3.6.ds1-4,
Pentium4 (x86),
BUILD/compile-pentium-debug-max
Raised about 100 Bytes above the required minimum.

sql/mysql_priv.h

@@ -141,7 +141,7 @@ MY_LOCALE *my_locale_by_name(const char *name);
  Feel free to raise this by the smallest amount you can to get the
  "execution_constants" test to pass.
  */
-#define STACK_MIN_SIZE		9336	// Abort if less stack during eval.  
+#define STACK_MIN_SIZE          10788   // Abort if less stack during eval.
 
 #define STACK_MIN_SIZE_FOR_OPEN 1024*80
 #define STACK_BUFF_ALLOC	256	// For stack overrun checks