diff --git a/clang/lib/Driver/ToolChains/Cuda.cpp b/clang/lib/Driver/ToolChains/Cuda.cpp
--- a/clang/lib/Driver/ToolChains/Cuda.cpp
+++ b/clang/lib/Driver/ToolChains/Cuda.cpp
@@ -800,6 +800,13 @@
     if (DriverArgs.hasFlag(options::OPT_fcuda_approx_transcendentals,
                            options::OPT_fno_cuda_approx_transcendentals, false))
       CC1Args.push_back("-fcuda-approx-transcendentals");
+
+    // Unsized function arguments used for variadics were introduced in CUDA-9.0
+    // We still do not support generating code that actually uses variadic
+    // arguments yet, but we do need to allow parsing them as recent CUDA
+    // headers rely on that. https://github.com/llvm/llvm-project/issues/58410
+    if (CudaInstallation.version() >= CudaVersion::CUDA_90)
+      CC1Args.push_back("-fcuda-allow-variadic-functions");
   }
 
   if (DriverArgs.hasArg(options::OPT_nogpulib))