Richard Smith was correct about how the sets should be computed for
this. My suggestion assumed a viable erase method for iterators on
SmallPtrSet.

This patch restores his original pattern.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132673 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed