[clang][bytecode][NFC] Remove unused parameter from pushData() (llvm#114801)

Author: tbaederr

clang/lib/AST/ByteCode/InterpBuiltinBitCast.cpp

@@ -108,8 +108,7 @@ struct BitcastBuffer {
     ++SizeInBits;
   }
 
-  void pushData(const std::byte *data, size_t BitOffset, size_t BitWidth,
-                bool BigEndianTarget) {
+  void pushData(const std::byte *data, size_t BitWidth, bool BigEndianTarget) {
     bool OnlyFullBytes = BitWidth % 8 == 0;
     unsigned NBytes = BitWidth / 8;
 
@@ -346,9 +345,9 @@ static bool readPointerToBuffer(const Context &Ctx, const Pointer &FromPtr,
 
         if (BitWidth != (Buff.size() * 8) && BigEndianTarget) {
           Buffer.pushData(Buff.data() + (Buff.size() - 1 - (BitWidth / 8)),
-                          BitOffset, BitWidth, BigEndianTarget);
+                          BitWidth, BigEndianTarget);
         } else {
-          Buffer.pushData(Buff.data(), BitOffset, BitWidth, BigEndianTarget);
+          Buffer.pushData(Buff.data(), BitWidth, BigEndianTarget);
         }
         return true;
       });