1 files changed, 4 insertions, 19 deletions
diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index 2b380bf0dcd..50d01f309bd 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -14414,25 +14414,6 @@ NamedDecl *Sema::ActOnFriendFunctionDecl(Scope *S, Declarator &D,
 
     LookupQualifiedName(Previous, DC);
 
-    // Ignore things found implicitly in the wrong scope.
-    // TODO: better diagnostics for this case.  Suggesting the right
-    // qualified scope would be nice...
-    LookupResult::Filter F = Previous.makeFilter();
-    while (F.hasNext()) {
-      NamedDecl *D = F.next();
-      if (!DC->InEnclosingNamespaceSetOf(
-              D->getDeclContext()->getRedeclContext()))
-        F.erase();
-    }
-    F.done();
-
-    if (Previous.empty()) {
-      D.setInvalidType();
-      Diag(Loc, diag::err_qualified_friend_not_found)
-          << Name << TInfo->getType();
-      return nullptr;
-    }
-
     // C++ [class.friend]p1: A friend of a class is a function or
     //   class that is not a member of the class . . .
     if (DC->Equals(CurContext))
@@ -14446,6 +14427,10 @@ NamedDecl *Sema::ActOnFriendFunctionDecl(Scope *S, Declarator &D,
       //   A function can be defined in a friend declaration of a class if and
       //   only if the class is a non-local class (9.8), the function name is
       //   unqualified, and the function has namespace scope.
+      //
+      // FIXME: We should only do this if the scope specifier names the
+      // innermost enclosing namespace; otherwise the fixit changes the
+      // meaning of the code.
       SemaDiagnosticBuilder DB
         = Diag(SS.getRange().getBegin(), diag::err_qualified_friend_def);