remove a helper method with only one call site.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59495 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/clang.cpp b/Driver/clang.cpp
index 4973a42..4314180 100644
--- a/Driver/clang.cpp
+++ b/Driver/clang.cpp
@@ -1464,7 +1464,7 @@
   // -I- is a deprecated GCC feature, scan for it and reject it.
   for (unsigned i = 0, e = I_dirs.size(); i != e; ++i) {
     if (I_dirs[i] == "-") {
-      Diags.Report(diag::err_pp_I_dash_not_supported);      
+      Diags.Report(FullSourceLoc(), diag::err_pp_I_dash_not_supported);      
       I_dirs.erase(I_dirs.begin()+i);
       --i;
     }