[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
2 files changed