[LLVMdev] Fixes to release_36 from master

[Adrian Prantl]

Yes both should be safe and allow the debug info verifier to not get stuck in an infinite loops when it comes across malformed (=outdated) metadata.

-- adrian
> On Feb 12, 2015, at 3:26 PM, Hans Wennborg <hans at chromium.org> wrote:
> 
> Adrian, are these safe to merge?
> 
> They seem to apply cleanly on the branch.
> 
> On Thu, Feb 12, 2015 at 2:51 PM, Sumanth Gundapaneni
> <sgundapa at codeaurora.org> wrote:
>> Hi Hans,
>> 
>>                I have attached a unit test which demonstrates a
>> hang/infinite loop with the opt built with release_36 sources.
>> 
>> The fixes are already pushed to “master” branch. The revisions r226588 and
>> r226616  should be pushed to release_36 to fix the unit test.
>> 
>> 
>> 
>> --Sumanth G