GorNishanov accepted this revision.
GorNishanov added a subscriber: rsmith.
GorNishanov added a comment.
This revision is now accepted and ready to land.
LGTM
================
Comment at: lib/Sema/SemaCoroutine.cpp:260
else if (MD && MD->isMoveAssignmentOperator())
return DiagInvalid(DiagMoveAssign);
+ // [basic.start.main]p3: "The function main shall not be a coroutine."
----------------
modocache wrote:
> @GorNishanov Is there anything in the TS that states copy and move assignment
> operators shall not include await or yield expressions? These were added
> D25292 but I'm not sure whether I'm missing something in the TS text, or if
> maybe this language was in a prior revision of the TS.
Yes. N4499/[special] said:
A special member function shall not be a coroutine.
I think @rsmith wanted to relax it, but, I am not sure if he had a use case in
mind.
I am thinking putting the restriction from N4499 back.
My approach is if in doubt, be more restrictive initially, then, we can relax
if use cases are discovered. It will be a non-breaking change.
Repository:
rC Clang
https://reviews.llvm.org/D48519
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