Add a (currently unused) "options" parameter to
clang_reparseTranslationUnit(), along with a function to retrieve the
default recommended reparsing options for a translation unit.

Also, add the CXTranslationUnit_CacheCompletionResults flag, which is
also currently unused.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110811 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/libclang.exports b/tools/libclang/libclang.exports
index 70aad53..9b2d0ad 100644
--- a/tools/libclang/libclang.exports
+++ b/tools/libclang/libclang.exports
@@ -16,6 +16,7 @@
 clang_defaultCodeCompleteOptions
 clang_defaultEditingTranslationUnitOptions
 clang_defaultDiagnosticDisplayOptions
+clang_defaultReparseOptions
 clang_disposeCodeCompleteResults
 clang_disposeDiagnostic
 clang_disposeIndex