[clang] Add `EvalASTMutator` interface (PR #115168)

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git-clang-format --diff 05b6c2e4b933e7a3606899c72067c92b6077287b 548298c8e2d1030b5d4edb8b548609b55aeba7f0 --extensions h,cpp -- clang/test/SemaCXX/constexpr-function-instantiation.cpp clang/include/clang/AST/ASTContext.h clang/include/clang/AST/Decl.h clang/include/clang/AST/Expr.h clang/include/clang/Sema/Sema.h clang/lib/AST/ASTContext.cpp clang/lib/AST/Decl.cpp clang/lib/AST/ExprConstant.cpp clang/lib/Sema/Sema.cpp clang/lib/Sema/SemaDecl.cpp
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View the diff from clang-format here.
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diff --git a/clang/include/clang/Sema/Sema.h b/clang/include/clang/Sema/Sema.h
index 61114b7107..5c44d35800 100644
--- a/clang/include/clang/Sema/Sema.h
+++ b/clang/include/clang/Sema/Sema.h
@@ -358,9 +358,10 @@ struct SkipBodyInfo {
 struct SemaASTMutator : EvalASTMutator {
   Sema &SemaRef;
   SemaASTMutator(Sema &SemaRef);
-  void InstantiateFunctionDefinition(
-      SourceLocation PointOfInstantiation, FunctionDecl *Function,
-      bool Recursive, bool DefinitionRequired, bool AtEndOfTU) override;
+  void InstantiateFunctionDefinition(SourceLocation PointOfInstantiation,
+                                     FunctionDecl *Function, bool Recursive,
+                                     bool DefinitionRequired,
+                                     bool AtEndOfTU) override;
 };
 
 /// Describes the result of template argument deduction.

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https://github.com/llvm/llvm-project/pull/115168