[lldb] Fix a lldb failure following llvm#165707

Author: google-yfyang

lldb/source/Plugins/ABI/ARC/ABISysV_arc.cpp

@@ -483,7 +483,7 @@ ABISysV_arc::GetReturnValueObjectSimple(Thread &thread,
     uint32_t float_count = 0;
     bool is_complex = false;
 
-    if (compiler_type.IsFloatingPointType(float_count, is_complex) &&
+    if (compiler_type.IsFloatingPointType(is_complex) &&
         1 == float_count && !is_complex) {
       const size_t byte_size =
           llvm::expectedToOptional(compiler_type.GetByteSize(&thread))