Anastasia added inline comments.

================
Comment at: include/clang/Basic/DiagnosticSemaKinds.td:8263
+def err_atomic_init_addressspace : Error<
+  "initialization of atomic variables is restricted to variables in global 
address space">;
 def err_atomic_init_constant : Error<
----------------
echuraev wrote:
> Anastasia wrote:
> > Could we combine this error diag with the one below? I guess they are 
> > semantically very similar apart from one is about initialization and 
> > another is about assignment?
> I'm not sure that it is a good idea to combine these errors. For example, if 
> developer had declared a variable non-constant and not in global address 
> space he would have got the same message for both errors. And it can be 
> difficult to determine what the exact problem is. He can fix one of the 
> problems but he will still get the same error.
Well, I don't actually see that we check for constant anywhere so it's also OK 
if you want to drop this bit. Although I think the original intension of this 
message as I understood was to provide the most complete hint.

My concern is that these two errors seem to be reporting nearly the same issue 
and ideally we would like to keep diagnostic list as small as possible. This 
also makes the file more concise and messages more consistent.


https://reviews.llvm.org/D30643



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