[clang] [Clang][NFC] Rename SecondArgIsLastNamedArgument for clarity and consistency (PR #131346)

[Imad Aldij via cfe-commits]

https://github.com/imdj updated https://github.com/llvm/llvm-project/pull/131346

>From 0b0361fe5f9c15a2682a642584dc6901053ae1cd Mon Sep 17 00:00:00 2001
From: Imad Aldij <os at imadij.com>
Date: Sat, 15 Mar 2025 21:43:06 +0200
Subject: [PATCH] [Clang] Rename SecondArgIsLastNamedArgument for clarity and
 consistency

---
 clang/lib/Sema/SemaChecking.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index 500e7be84f9fa..c6feb35efce85 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -4898,15 +4898,15 @@ bool Sema::BuiltinVAStart(unsigned BuiltinID, CallExpr *TheCall) {
     return false;
   }
 
-  // These are valid if SecondArgIsLastNamedArgument is false after the next
-  // block.
+  // These are valid if SecondArgIsLastNonVariadicArgument is false after the
+  // next block.
   QualType Type;
   SourceLocation ParamLoc;
   bool IsCRegister = false;
-  bool SecondArgIsLastNamedArgument = false;
+  bool SecondArgIsLastNonVariadicArgument = false;
   if (const DeclRefExpr *DR = dyn_cast<DeclRefExpr>(Arg)) {
     if (const ParmVarDecl *PV = dyn_cast<ParmVarDecl>(DR->getDecl())) {
-      SecondArgIsLastNamedArgument = PV == LastParam;
+      SecondArgIsLastNonVariadicArgument = PV == LastParam;
 
       Type = PV->getType();
       ParamLoc = PV->getLocation();
@@ -4915,7 +4915,7 @@ bool Sema::BuiltinVAStart(unsigned BuiltinID, CallExpr *TheCall) {
     }
   }
 
-  if (!SecondArgIsLastNamedArgument)
+  if (!SecondArgIsLastNonVariadicArgument)
     Diag(TheCall->getArg(1)->getBeginLoc(),
          diag::warn_second_arg_of_va_start_not_last_non_variadic_param);
   else if (IsCRegister || Type->isReferenceType() ||