Summary:
This makes BindingDecl's of the same name have different USRs, so that references can be correctly attributed.
int a[1] = {};
{ auto [x] = a; x; }
{ auto [x] = a; x; }
Reviewers: akyrtzi, arphaman, rsmith, hokein
Reviewed By: hokein
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D52445
llvm-svn: 344010