From 20a9f7b5f4b79a4ffe4b6982b2cc27580f3db77b Mon Sep 17 00:00:00 2001
From: Fangrui Song <i@maskray.me>
Date: Sun, 30 Aug 2020 10:21:58 -0700
Subject: [PATCH] clang_tu: set RecoveryAST & RecoveryASTType

---
 src/clang_tu.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/clang_tu.cc b/src/clang_tu.cc
index 0944547f..2a4ac132 100644
--- a/src/clang_tu.cc
+++ b/src/clang_tu.cc
@@ -156,6 +156,10 @@ buildCompilerInvocation(const std::string &main, std::vector<const char *> args,
   // Enable IndexFrontendAction::shouldSkipFunctionBody.
   ci->getFrontendOpts().SkipFunctionBodies = true;
   ci->getLangOpts()->SpellChecking = false;
+#if LLVM_VERSION_MAJOR >= 11
+  ci->getLangOpts()->RecoveryAST = true;
+  ci->getLangOpts()->RecoveryASTType = true;
+#endif
   auto &isec = ci->getFrontendOpts().Inputs;
   if (isec.size())
     isec[0] = FrontendInputFile(main, isec[0].getKind(), isec[0].isSystem());