rnk added a comment.

Windows has effectively always had stack clash protection: we've always emitted 
those little chkstk probe calls for stack frames larger than a page. Would it 
make more sense to ignore this flag on Windows, since it opts into always-on 
behavior? If so, this doesn't seem like the right place to ignore it.

I see your comment here, but I don't really understand it:
https://reviews.llvm.org/D92100#2422729
What goes wrong on Windows? Can it be made to just work instead? It should be 
simple.

How do things go wrong on Darwin? I was under the impression that this was 
implemented in LLVM as strictly inline code, no runtime support required.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D92245/new/

https://reviews.llvm.org/D92245

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