Summary:
The removal of CAMLprim left the code in need of an application of
clang-format. There are various other changes made by clang-format
which it seems ought to be rolled together into this diff.
Upstream Differential Revision: https://reviews.llvm.org/D99477
Reviewed By: ngorogiannis
Differential Revision: D27564876
fbshipit-source-id: 8e22eb099