diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index d491f35..eaa61b2 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -3193,6 +3193,14 @@
   Opts.ForceEnableInt128 = Args.hasArg(OPT_fforce_enable_int128);
   Opts.NVPTXUseShortPointers = Args.hasFlag(
       options::OPT_fcuda_short_ptr, options::OPT_fno_cuda_short_ptr, false);
+  if (Arg *A = Args.getLastArg(options::OPT_target_sdk_version_EQ)) {
+    llvm::VersionTuple Version;
+    if (Version.tryParse(A->getValue()))
+      Diags.Report(diag::err_drv_invalid_value)
+          << A->getAsString(Args) << A->getValue();
+    else
+      Opts.SDKVersion = Version;
+  }
 }
 
 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res,