--- lldb/source/Symbol/SwiftASTContext.cpp.orig	2018-07-21 08:27:02.154653886 -0500
+++ lldb/source/Symbol/SwiftASTContext.cpp	2018-07-21 08:28:42.573828204 -0500
@@ -3413,9 +3413,8 @@
 GetLibrarySearchPaths(std::vector<std::string> &paths,
                       const swift::SearchPathOptions &search_path_opts) {
   paths.clear();
-  paths.resize(search_path_opts.LibrarySearchPaths.size() + 1);
-  std::copy(search_path_opts.LibrarySearchPaths.begin(),
-            search_path_opts.LibrarySearchPaths.end(), paths.begin());
+  paths.assign(search_path_opts.LibrarySearchPaths.begin(),
+               search_path_opts.LibrarySearchPaths.end());
   paths.push_back(search_path_opts.RuntimeLibraryPath);
 }