[PATCH] fix to malloc checking

[James Lemke]

Ping..  OK to commit?

On 02/04/2015 01:56 PM, James Lemke wrote:
>> glibc testing would sometimes generate this failure for me:
>>     FAIL: malloc/tst-malloc-usable.out
>>     malloc_usable_size: expected 7 but got 11
>
>
> On 12/11/2014 06:03 AM, Andreas Schwab wrote:
>> This is broken, please revert.
>>
>> $ MALLOC_CHECK_=3 iconv/iconvconfig --prefix=$PWD/root
>> *** Error in `iconv/iconvconfig': free(): invalid pointer: 0x09f15018 ***
:
> My previous patch used a second checking byte (minimum 2, up from 1) that was
> a problem in some circumstances.  This patch stays with a minimum of 1 byte.
> It is a bit simpler.  Only the code to generate the checking bytes is
> modified.  The verification code is essentially unchanged from the original.
>
> This version solves the original problem, passes the iconvconfig test above
> and my own testing.
>
> OK to commit?

-- 
Jim Lemke, GNU Tools Sourcerer
Mentor Graphics / CodeSourcery
Orillia, Ontario

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