[libclang] For clang_saveTranslationUnit, if the AST to save has invalid nodes
due to compiler errors, use a crash recovery thread to do the AST writing for
protection.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153560 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed