[COFF] Move KeepUnique bit from Chunk to SectionChunk, NFC
authorReid Kleckner <rnk@google.com>
Thu, 23 May 2019 20:26:41 +0000 (20:26 +0000)
committerReid Kleckner <rnk@google.com>
Thu, 23 May 2019 20:26:41 +0000 (20:26 +0000)
commit14f4ff6e8972ddc7755c72f6bfc2ba372ac9638f
treec70aecdf3ec6c2ffe56e1e0f49c7267ea495c089
parentedb52e2e7d075b1fec13034deaa56d3c32d100ac
[COFF] Move KeepUnique bit from Chunk to SectionChunk, NFC

The KeepUnique bit is used during ICF, which only operates on
SectionChunks, so only SectionChunks need it. This frees up a byte in
Chunk, which I plan to use in a follow-up change.

llvm-svn: 361549
lld/COFF/Chunks.h
lld/COFF/Driver.cpp