Fix for bug#21476: stack overflow crashes server; error-message

stack reservation too small

Problem: some tests fail on HP-UX due to insufficient stack reservation.

Fix: increase stack reservation.

sql/mysql_priv.h

@@ -283,15 +283,11 @@ class Default_object_creation_ctx : public Object_creation_ctx
 #define TABLE_DEF_CACHE_MIN     256
 
 /*
- Value of 9236 discovered through binary search 2006-09-26 on Ubuntu Dapper
- Drake, libc6 2.3.6-0ubuntu2, Linux kernel 2.6.15-27-686, on x86.  (Added 
- 100 bytes as reasonable buffer against growth and other environments'
- requirements.)
-
+  Stack reservation.
   Feel free to raise this by the smallest amount you can to get the
   "execution_constants" test to pass.
- */
-#define STACK_MIN_SIZE          12000   ///< Abort if less stack during eval.
+*/
+#define STACK_MIN_SIZE          16000   // Abort if less stack during eval.
 
 #define STACK_MIN_SIZE_FOR_OPEN 1024*80
 #define STACK_BUFF_ALLOC        352     ///< For stack overrun checks