From aae6f456de54710bc43d27ef6532f32bc3a4dfcf Mon Sep 17 00:00:00 2001
From: Jacob Dufault <jacobdufault@gmail.com>
Date: Tue, 13 Feb 2018 10:21:10 -0800
Subject: [PATCH] Fix crash in ClangCursor::get_arguments

---
 src/clang_cursor.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/clang_cursor.cc b/src/clang_cursor.cc
index 84dcfeed..d90928d1 100644
--- a/src/clang_cursor.cc
+++ b/src/clang_cursor.cc
@@ -94,6 +94,8 @@ ClangType ClangType::get_return_type() const {
 
 std::vector<ClangType> ClangType::get_arguments() const {
   int size = clang_getNumArgTypes(cx_type);
+  if (size < 0)
+    return {};
   std::vector<ClangType> types(size);
   for (int i = 0; i < size; ++i)
     types.emplace_back(clang_getArgType(cx_type, i));