No subject

Xinliang David Li davidxl@google.com
Thu Feb 14 20:10:00 GMT 2013


Ok for the google branch -- please provide the patch details in svn
commit message (note that ChangeLog is not needed any more for the
branch).

David



On Thu, Feb 14, 2013 at 11:53 AM, Matt Hargett <matt@use.net> wrote:
> On Feb 14, 2013, at 10:40 AM, Xinliang David Li <davidxl@google.com> wrote:
>
>> On Thu, Feb 14, 2013 at 10:18 AM, Matt <matt@use.net> wrote:
>>> The attached patches do two things:
>>> 1. Backports a fix from trunk that eliminates bogus warning traces. On my
>>> current codebase which links ~40MB of C++ with LTO, the bogus warning traces
>>> are literally hundreds of lines.
>>
>> What is the trunk revision?
>
> Richard's original patch was committed to trunk in r195884.
>
>
>>> I verified the backport fixed our issue by doing doing a profiledbootstrap
>>> using the bootstrap-lto.mk config with -O3 added. I used the resulting
>>> compiler on the proprietary codebase, C++Benchmark, scummvm, and a few other
>>> open source projects to validate.
>>>
>>> 2. Our primary development platform is RHEL6.1-based, and the recent
>>> autoconf requirement bump locked us out. I lowered the version, and saw no
>>> difference in ability to configure/bootstrap.
>>>
>>> Thanks!
>>>
>>>
>>> --
>>> tangled strands of DNA explain the way that I behave.
>>> http://www.clock.org/~matt



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