[PATCHv3][Kasan][PING^2] Allow to override Asan shadow offset from command line

[Yury Gribov]

On 10/06/2014 03:06 PM, Yury Gribov wrote:
> On 09/29/2014 09:21 PM, Yury Gribov wrote:
>> Hi all,
>>
>>>> Kasan developers has asked for an option to override offset of Asan
>>>> shadow memory region. This should simplify experimenting with memory
>>>> layouts on 64-bit architectures.
>>
>> New patch which checks that -fasan-shadow-offset is only enabled for
>> -fsanitize=kernel-address. I (unfortunately) can't make this --param
>> because this can be a 64-bit value.
>>
>> Bootstrapped and regtested on x64.
>>
>> -Y

Added Jakub.