[clang] [clang] Don't lose track of explicit specializations of member functi… (PR #111267)

[Younan Zhang via cfe-commits]

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@@ -156,7 +156,13 @@ namespace UsesThis {
     auto h<int>() -> decltype(this); // expected-error {{'this' cannot be used in a static member function declaration}}
   };
 
-  template struct A<int>; // expected-note 3{{in instantiation of}}
+  template struct A<int>; // expected-note {{in instantiation of}}
+  template<> template<> void A<int>::f<int>();
+  template<> template<> void A<int>::g<int>();
+  void test1() {
+    A<int>().f<int>(); // expected-note {{in instantiation of}}
+    A<int>().g<int>(); // expected-note {{in instantiation of}}
+  }
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zyn0217 wrote:

There weren't test failures here, right?
(Changes here are hopefully not hiding the failures)

https://github.com/llvm/llvm-project/pull/111267