Clang: Make file ids unique

Clang file ids are only unique for one query. Because we query in parallel
we have to manage our own unique ids.

Change-Id: I67d57d8b1766cab75ad252a14e57bbf9dc5fdb79
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/tools/clangrefactoringbackend/source/refactoringserver.cpp b/src/tools/clangrefactoringbackend/source/refactoringserver.cpp
index 58e944784d..cf233baf34 100644
--- a/src/tools/clangrefactoringbackend/source/refactoringserver.cpp
+++ b/src/tools/clangrefactoringbackend/source/refactoringserver.cpp
@@ -37,6 +37,7 @@
 #include <QCoreApplication>
 
 #include <functional>
+#include <atomic>
 
 namespace ClangBackEnd {
 
@@ -125,7 +126,7 @@ void RefactoringServer::gatherSourceRangesAndDiagnosticsForQueryMessages(
     uint freeProcessors = std::thread::hardware_concurrency();
 #endif
 
-    m_gatherer = ClangQueryGatherer(std::move(sources), std::move(unsaved), std::move(query));
+    m_gatherer = ClangQueryGatherer(&m_filePathCache, std::move(sources), std::move(unsaved), std::move(query));
     m_gatherer.setProcessingSlotCount(freeProcessors);
 
     m_pollTimer.start();