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BUG#36639: subselect.test crashes on 64 bit pentium4 when compiled for valgrind, commit into 5.0

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- Use the compiler's default copy constructor for QUICK_RANGE_SELECT. 
  bcopy(this, copy, ...) call caused some odd action on gcc-4.1.2 on x86_64

sql/opt_range.cc:
  BUG#36639: subselect.test crashes on 64 bit pentium4 when compiled for valgrind
  - Set QUICK_SELECT_DESC not to use MRR implementation (code moved to here
    from opt_range.h)
sql/opt_range.h:
  BUG#36639: subselect.test crashes on 64 bit pentium4 when compiled for valgrind
  - Use the compiler's default copy constructor for QUICK_RANGE_SELECT. 
    bcopy(this, copy, ...) call caused some odd action on gcc-4.1.2 on x86_64
This commit is contained in:
Sergey Petrunia
2008-08-25 21:02:54 +04:00
parent 42d0266afe
commit c770161ae8
2 changed files with 8 additions and 8 deletions
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9
sql/opt_range.h
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@@ -329,14 +329,7 @@ public:
void dbug_dump(int indent, bool verbose);
#endif
private:
/* Used only by QUICK_SELECT_DESC */
QUICK_RANGE_SELECT(const QUICK_RANGE_SELECT& org) : QUICK_SELECT_I()
{
bcopy(&org, this, sizeof(*this));
multi_range_length= 0;
multi_range= NULL;
multi_range_buff= NULL;
}
/* Default copy ctor used by QUICK_SELECT_DESC */
};