[clang] [Clang] Implement resolution for CWG1835 (PR #92957)

[Matheus Izvekov via cfe-commits]

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@@ -2893,6 +2893,8 @@ class TreeTransform {
 
     CXXScopeSpec SS;
     SS.Adopt(QualifierLoc);
+    if (FirstQualifierInScope)
+      SS.setFoundFirstQualifierInScope(FirstQualifierInScope);
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mizvekov wrote:

It looks like adding 'FirstQualifierInScope' as a property to SS makes it so keeping and passing both around is redundant.

https://github.com/llvm/llvm-project/pull/92957