[clang] [SemaCXX] Fixed defaulted equality operator deletion issue (#97087)[SemaCXX] Fix defaulted equality operator being incorrectly deleted when using namespace (llvm#97087) (PR #166996)

[Erich Keane via cfe-commits]

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@@ -0,0 +1,13 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++20 %s
+// expected-no-diagnostics
+
+struct X {};
+namespace NS {
+    bool operator==(X, X);
+}
+using namespace NS;
+struct Y {
+    X x;
+    friend bool operator==(Y, Y);
+};
+bool operator==(Y, Y) = default;
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erichkeane wrote:

newline needed here.

https://github.com/llvm/llvm-project/pull/166996