[clang] [Clang][Sema] Improve support for explicit specializations of constrained member functions & member function templates (PR #88963)

[Vlad Serebrennikov via cfe-commits]

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@@ -9739,6 +9739,9 @@ class Sema final : public SemaBase {
                      const PartialDiagnostic &CandidateDiag,
                      bool Complain = true, QualType TargetType = QualType());
 
+  FunctionDecl *getMoreConstrainedFunction(FunctionDecl *FD1,
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Endilll wrote:

You put this declaration into `SemaTemplateDeclaration` section of `Sema.h`, but the function is implemented in `SemaTemplate.cpp`. They should be in sync.

https://github.com/llvm/llvm-project/pull/88963