Index: include/llvm/Option/ArgList.h
===================================================================
--- include/llvm/Option/ArgList.h
+++ include/llvm/Option/ArgList.h
@@ -187,6 +187,7 @@
   ///
   /// \p Claim Whether the argument should be claimed, if it exists.
   Arg *getLastArgNoClaim(OptSpecifier Id) const;
+  Arg *getLastArgNoClaim(OptSpecifier Id0, OptSpecifier Id1) const;
   Arg *getLastArg(OptSpecifier Id) const;
   Arg *getLastArg(OptSpecifier Id0, OptSpecifier Id1) const;
   Arg *getLastArg(OptSpecifier Id0, OptSpecifier Id1, OptSpecifier Id2) const;
Index: lib/Option/ArgList.cpp
===================================================================
--- lib/Option/ArgList.cpp
+++ lib/Option/ArgList.cpp
@@ -54,6 +54,15 @@
   return nullptr;
 }
 
+Arg *ArgList::getLastArgNoClaim(OptSpecifier Id0, OptSpecifier Id1) const {
+  // FIXME: Make search efficient?
+  for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
+    if ((*it)->getOption().matches(Id0) ||
+        (*it)->getOption().matches(Id1))
+      return *it;
+  return nullptr;
+}
+
 Arg *ArgList::getLastArg(OptSpecifier Id) const {
   Arg *Res = nullptr;
   for (const_iterator it = begin(), ie = end(); it != ie; ++it) {