ebevhan added inline comments.

================
Comment at: lib/AST/ASTContext.cpp:2781
+
+  return getAddrSpaceQualType(NewT, Orig.getAddressSpace());
 }
----------------
rjmccall wrote:
> Anastasia wrote:
> > rjmccall wrote:
> > > You're trying to handle a method qualifier, not a type a functions that 
> > > are themselves in some non-standard address space, right?  The method 
> > > qualifier should already be part of `Proto->getExtProtoInfo()`, so if 
> > > there's an address space qualifier out here, something is very wrong.
> > As far as I understand the new design, we have an address space qualifier 
> > on a method and as a part of the function prototype too. Are you saying 
> > that we need to make sure the prototype has an address space too?
> The address-space `this` qualifiers are a part of `FunctionProtoType` that's 
> totally independent from the storage of top-level qualifiers that's part of 
> `QualType`.  `Orig.getAddressSpace()` is asking about the top-level 
> qualifiers, not the `this` qualifiers.  Generally, function types should not 
> have top-level qualifiers at all (although of course a member pointer can 
> have both top-level qualifiers and `this` qualifiers, with the former meaning 
> something completely different from the latter).
I suspect the reason there has to be qualifiers on the function type itself is 
because of the `getType` mistake I mentioned in the previous patch. If the 
`this` address space qualifiers aren't also on the function type, then 
`GetThisType` will not produce the correctly qualified type.

If the `getType` in `GetThisType` is changed to `getTypeQualifiers`, then the 
function type should not need any qualifiers.


Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55656/new/

https://reviews.llvm.org/D55656



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