[PATCH] D112297: [LTO] Fix assertion failed when flushing bitcode incrementally for LTO output.
Duncan P. N. Exon Smith via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Oct 29 14:07:33 PDT 2021
dexonsmith added inline comments.
================
Comment at: llvm/lib/Support/raw_ostream.cpp:918
+ sys::fs::file_status Status;
+ EC = status(get_fd(), Status);
+ if (EC || Status.type() != sys::fs::file_type::regular_file)
----------------
steven_wu wrote:
> Would it be better to cache the result in the constructor for raw_fd_ostream? Adding another `status` call might not be optimal.
>
> @dexonsmith Do you have any concerns over this?
Agreed that adding a stat is potentially expensive; is there already one in the other `raw_fd_ostream` constructor? Why not reuse it?
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D112297/new/
https://reviews.llvm.org/D112297
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