[llvm] r215870 - Revert "Repace SmallPtrSet with SmallPtrSetImpl in function arguments to avoid needing to mention the size."

[Duncan P. N. Exon Smith]

> On 2014 Sep 2, at 16:16, Duncan P. N. Exon Smith <dexonsmith at apple.com> wrote:
> 
> 
>> On 2014 Aug 18, at 17:04, Craig Topper <craig.topper at gmail.com> wrote:
>> 
>> The failure I got was indicating a double free in an LLVMUsed destructor being called from GlobalOpt.cpp. I reproduced it locally but so far haven't been able to determine why its happening.
> 
> I'm working through a backlog (so maybe you've solved this already),

Sorry for the noise!  I see you recommitted after fixing.