Driver: Explicitly ignore -fpch-preprocess when using clang, we don't
need to do anything special to support this.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68403 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/ArgList.cpp b/lib/Driver/ArgList.cpp
index 6d19f1a..69cb85b 100644
--- a/lib/Driver/ArgList.cpp
+++ b/lib/Driver/ArgList.cpp
@@ -140,6 +140,15 @@
   }
 }
 
+void ArgList::ClaimAllArgs(options::ID Id0) const {
+  // FIXME: Make fast.
+  for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
+    const Arg *A = *it;
+    if (A->getOption().matches(Id0))
+      A->claim();
+  }
+}
+
 //
 
 InputArgList::InputArgList(const char **ArgBegin, const char **ArgEnd)