Driver: Forward -miphoneos-version-min to clang.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68816 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index aa9866b..4d1aca4 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -362,6 +362,7 @@
   Args.AddAllArgs(CmdArgs, options::OPT_v);
   Args.AddLastArg(CmdArgs, options::OPT_P);
   Args.AddLastArg(CmdArgs, options::OPT_mmacosx_version_min_EQ);
+  Args.AddLastArg(CmdArgs, options::OPT_miphoneos_version_min_EQ);
 
   // Special case debug options to only pass -g to clang. This is
   // wrong.