From 0b5372ddf2db1597b7cf89cc851161c5330059db Mon Sep 17 00:00:00 2001
From: Fangrui Song <i@maskray.me>
Date: Sat, 22 Aug 2020 10:29:39 -0700
Subject: [PATCH] If clang >= 10, don't crash on #pragma clang __debug

---
 src/clang_tu.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/clang_tu.cc b/src/clang_tu.cc
index c583f89f..0718306c 100644
--- a/src/clang_tu.cc
+++ b/src/clang_tu.cc
@@ -155,6 +155,9 @@ buildCompilerInvocation(const std::string &main, std::vector<const char *> args,
   auto &isec = ci->getFrontendOpts().Inputs;
   if (isec.size())
     isec[0] = FrontendInputFile(main, isec[0].getKind(), isec[0].isSystem());
+#if LLVM_VERSION_MAJOR >= 10 // llvmorg-11-init-2414-g75f09b54429
+  ci->getPreprocessorOpts().DisablePragmaDebugCrash = true;
+#endif
   // clangSerialization has an unstable format. Disable PCH reading/writing
   // to work around PCH mismatch problems.
   ci->getPreprocessorOpts().ImplicitPCHInclude.clear();