Erik Eckstein 3bd7f027f8 Runtime: use SmallVector instead of std::vector to avoid memory allocations in most cases. ...

This dramatically reduces the number of needed malloc calls.
Unfortunately I had to add the implementation of SmallVectorBase::grow_pod to the runtime, as we don't link LLVM. This is a bad hack, but better than re-inventing a new SmallVector implementation.

SR-10028
rdar://problem/48575729

2019-03-06 14:37:03 -08:00

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