shafik added inline comments.

================
Comment at: clang/lib/Sema/SemaConcept.cpp:783
     return true;
-  if (Old && New && Old != New) {
+  if (Old && New && Old != New &&
+      Old->getLexicalDeclContext() != New->getLexicalDeclContext()) {
----------------
shafik wrote:
> erichkeane wrote:
> > Please put the standards quote that supports this here, it'll be really 
> > useful in the future.(temp.constr.decl p4)
> Yes, the change makes a lot more sense with the quote. 
> 
> 
I noticed you landed this w/ the citation but w/o quoting the text. Usually it 
is helpful to quote it b/c it explains the code that follows w/o the reader 
having to open the standard and read it and then go back to the code. 

In this case I think quoting up to the "outside the class body" may be 
sufficient.

Worth also noting that paragraphs often move around and so years later the 
reader may have a hard time matching up. At least w/ the quoted text they have 
material to start an investigation with if the wording has moved and or 
changed. 


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D150730/new/

https://reviews.llvm.org/D150730

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