Changes

Changes from Git (git http://labmaster3.local/git/llvm-project.git)

Summary

1. [Support] Explicitly instantiate BumpPtrAllocatorImpl (details)

Commit add95990508ee0aec90d07bcce1bba47b4f46622 by rnk [Support] Explicitly instantiate BumpPtrAllocatorImpl Most clients only ever use the default BumpPtrAllocator.
	llvm/include/llvm/Support/Allocator.h
	llvm/lib/Support/Allocator.cpp