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Re: [PATCH 0/3] Libsanitizer: merge from trunk


On 8/14/19 2:50 AM, Martin Liška wrote:
> On 8/13/19 5:02 PM, Jeff Law wrote:
>> On 8/13/19 7:07 AM, Martin Liska wrote:
>>> Hi.
>>>
>>> For this year, I decided to make a first merge now and the
>>> next (much smaller) at the end of October.
>>>
>>> The biggest change is rename of many files from .cc to .cpp.
>>>
>>> I bootstrapped the patch set on x86_64-linux-gnu and run
>>> asan/ubsan/tsan tests on x86_64, ppc64le (power8) and
>>> aarch64.
>>>
>>> Libasan SONAME has been already bumped compared to GCC 9.
>>>
>>> For other libraries, I don't see a reason for library bumping:
>>>
>>> $ abidiff /usr/lib64/libubsan.so.1.0.0 ./x86_64-pc-linux-gnu/libsanitizer/ubsan/.libs/libubsan.so.1.0.0 --stat
>>> Functions changes summary: 0 Removed, 0 Changed, 4 Added functions
>>> Variables changes summary: 0 Removed, 0 Changed, 0 Added variable
>>> Function symbols changes summary: 3 Removed, 0 Added function symbols not referenced by debug info
>>> Variable symbols changes summary: 0 Removed, 0 Added variable symbol not referenced by debug info
>>>
>>> $ abidiff /usr/lib64/libtsan.so.0.0.0  ./x86_64-pc-linux-gnu/libsanitizer/tsan/.libs/libtsan.so.0.0.0 --stat
>>> Functions changes summary: 0 Removed, 0 Changed, 47 Added functions
>>> Variables changes summary: 0 Removed, 0 Changed, 0 Added variable
>>> Function symbols changes summary: 1 Removed, 2 Added function symbols not referenced by debug info
>>> Variable symbols changes summary: 0 Removed, 0 Added variable symbol not referenced by debug info
>>>
>>> Ready to be installed?
>> ISTM that a sanitizer merge during stage1 should be able to move forward
>> without ACKs.  Similarly for other runtimes where we pull from some
>> upstream master.
> 
> Good then. I've just installed the patch and also the refresh of LOCAL_PATCHES.
Sounds good.  My tester will spin them on a variety of platforms over
the next couple days.  I won't be at all surprised if the MIPS bits are
still flakey.

Jeff


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