Nico Weber 205ca68b8d Give InfoStreamBuilder an opt-in method to write a hash of the PDB as GUID. ...

Naively computing the hash after the PDB data has been generated is in practice
as fast as other approaches I tried. I also tried online-computing the hash as
parts of the PDB were written out (https://reviews.llvm.org/D51887; that's also
where all the measuring data is) and computing the hash in parallel
(https://reviews.llvm.org/D51957). This approach here is simplest, without
being slower.

Differential Revision: https://reviews.llvm.org/D51956

llvm-svn: 342333

2018-09-15 18:35:51 +00:00

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