[driver crash diagnostics] Strip -idirafter, -iprefix, -iwithprefix,
-iwithprefixbefore, and -isystem options, per Matt's suggestion.
rdar://11949066

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160750 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index c7819b1..da7fe18 100644
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -521,9 +521,14 @@
         Flag.push_back("-dependency-file ");
         Flag.push_back("-fdebug-compilation-dir ");
         Flag.push_back("-fmodule-cache-path ");
+        Flag.push_back("-idirafter ");
         Flag.push_back("-include ");
         Flag.push_back("-include-pch ");
+        Flag.push_back("-iprefix ");
+        Flag.push_back("-iwithprefix ");
+        Flag.push_back("-iwithprefixbefore ");
         Flag.push_back("-isysroot ");
+        Flag.push_back("-isystem ");
         Flag.push_back("-iquote ");
         Flag.push_back("-resource-dir ");
         Flag.push_back("-serialize-diagnostic-file ");