From 9a5c448a31bacc08e73fcae4636094f9b6e2be6a Mon Sep 17 00:00:00 2001
From: Sam McCall <sam.mccall@gmail.com>
Date: Wed, 29 Jan 2020 02:01:42 +0100
Subject: [PATCH] [clangd] Fix null check in FindTarget.

I've hit this stack trace a few times but don't have a good reproducer.
The code is unsafe by inspection, though.
---
 clang-tools-extra/clangd/FindTarget.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang-tools-extra/clangd/FindTarget.cpp b/clang-tools-extra/clangd/FindTarget.cpp
index 2392586..13e4819 100644
--- a/clang-tools-extra/clangd/FindTarget.cpp
+++ b/clang-tools-extra/clangd/FindTarget.cpp
@@ -231,7 +231,7 @@ public:
   }
 
   void add(const Decl *Dcl, RelSet Flags) {
-    const NamedDecl *D = llvm::dyn_cast<NamedDecl>(Dcl);
+    const NamedDecl *D = llvm::dyn_cast_or_null<NamedDecl>(Dcl);
     if (!D)
       return;
     debug(*D, Flags);
-- 
2.7.4