lebedev.ri marked 2 inline comments as done.
lebedev.ri added inline comments.


================
Comment at: clang/test/CodeGen/windows-seh-EHa-CppCondiTemps.cpp:3
 
+// FIXME: this check appears to be miscompiled?
+// XFAIL: *
----------------
efriedma wrote:
> lebedev.ri wrote:
> > tentzen wrote:
> > > lebedev.ri wrote:
> > > > This test broke once we always started adding (outermost) UB scope for 
> > > > nounwind functions.
> > > > I don't quite get what is going wrong. It could be a bug in SEH 
> > > > handling.
> > > > Can someone who has some idea about that code take a look and suggest a 
> > > > fix?
> > > > @tentzen ?
> > > By definition, non-unwind function I think is for Synchronous EH. So this 
> > > Sanitizer check should exclude Asynchronous EH functions, those with 
> > > option -fasync-exceptions.
> > >  
> > I do not understand.
> > If the function can unwind, then why is it marked `nounwind`?
> > This kind of thing is exactly what i was afraid of with those SEH patches.
> clang should not be marking functions "nounwind" in -fasync-exceptions mode; 
> if it is, I'd consider that a bug.  (I assume someone just forgot to add a 
> check to some code that adds nounwind.)
My thoughts precisely. @tentzen please fix :)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D137381/new/

https://reviews.llvm.org/D137381

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