[clang][NFC] Take const pointers in Sema::DiagnoseAutoDeductionFailure

Author: tbaederr

clang/include/clang/Sema/Sema.h

@@ -9695,7 +9695,7 @@ class Sema final : public SemaBase {
                  bool DependentDeduction = false,
                  bool IgnoreConstraints = false,
                  TemplateSpecCandidateSet *FailedTSC = nullptr);
-  void DiagnoseAutoDeductionFailure(VarDecl *VDecl, Expr *Init);
+  void DiagnoseAutoDeductionFailure(const VarDecl *VDecl, const Expr *Init);
   bool DeduceReturnType(FunctionDecl *FD, SourceLocation Loc,
                         bool Diagnose = true);
 

clang/lib/Sema/SemaTemplateDeduction.cpp

@@ -5418,7 +5418,8 @@ TypeSourceInfo *Sema::ReplaceAutoTypeSourceInfo(TypeSourceInfo *TypeWithAuto,
       .TransformType(TypeWithAuto);
 }
 
-void Sema::DiagnoseAutoDeductionFailure(VarDecl *VDecl, Expr *Init) {
+void Sema::DiagnoseAutoDeductionFailure(const VarDecl *VDecl,
+                                        const Expr *Init) {
   if (isa<InitListExpr>(Init))
     Diag(VDecl->getLocation(),
          VDecl->isInitCapture()