vsk added a comment.

Unfortunately I can’t get to this right now, but will take a look first thing 
tomorrow morning.

A shot in the dark: looks like your workflow causes a clang process to be sent 
SIGPIPE more than once. The second time, it exits with ioerr. I expected this 
to be the pre-patch behavior, so I’m confused as to why the reverts appear to 
help.

If you need a quick fix, I’d suggest adding a SIG_IGN for SIGPIPE to the clang 
driver. Those reverts could regress lldb and I’m really not sure why they work.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D70277/new/

https://reviews.llvm.org/D70277

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