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Author SHA1 Message Date
David Majnemer 45647d8f74 ADT: Add a drop_back() helper to ArrayRef 
The slice(N, M) interface is powerful but not concise when wanting to
drop a few elements off of an ArrayRef, fix this by adding a drop_back
method.

llvm-svn: 212370
 2014-07-05 06:12:30 +00:00
Nick Kledzik 4d6d981297 Fix layering StringRef copy using BumpPtrAllocator. 
Now to copy a string into a BumpPtrAllocator and get a StringRef to the copy:

   StringRef myCopy = myStr.copy(myAllocator);
   

llvm-svn: 200885
 2014-02-05 22:22:56 +00:00