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Fixed Bug#57386 - main.execution_constants segfault on MIPS64EL.

Browse source 
sql/item_func.cc:
  Item_func::fix_fields modified: increased minimal required stack
  size in call to check_stack_overrun().
This commit is contained in:
Dmitry Shulga 2010-11-10 11:49:37 +06:00
parent 1b88853ab8
commit 2c16c7e985
1 changed files with 8 additions and 1 deletions
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9
sql/item_func.cc
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@ -157,7 +157,14 @@ Item_func::fix_fields(THD *thd, Item **ref)
used_tables_cache= not_null_tables_cache= 0;
const_item_cache=1;
if (check_stack_overrun(thd, STACK_MIN_SIZE, buff))
/*
Use stack limit of STACK_MIN_SIZE * 2 since
on some platforms a recursive call to fix_fields
requires more than STACK_MIN_SIZE bytes (e.g. for
MIPS, it takes about 22kB to make one recursive
call to Item_func::fix_fields())
*/
if (check_stack_overrun(thd, STACK_MIN_SIZE * 2, buff))
return TRUE; // Fatal error if flag is set!
if (arg_count)
{ // Print purify happy