CppTools: Fix memory leak of QFutureWatcher when canceled

Change-Id: Ia9cd428e3bed193167903b6ffa080e4886193789
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/plugins/cpptools/cppmodelmanager.cpp b/src/plugins/cpptools/cppmodelmanager.cpp
index eb02ac8892..d310f15f1d 100644
--- a/src/plugins/cpptools/cppmodelmanager.cpp
+++ b/src/plugins/cpptools/cppmodelmanager.cpp
@@ -956,9 +956,10 @@ void CppModelManager::watchForCanceledProjectIndexer(const QVector<QFuture<void>
             continue;
 
         QFutureWatcher<void> *watcher = new QFutureWatcher<void>();
-        connect(watcher, &QFutureWatcher<void>::canceled, this, [this, project]() {
+        connect(watcher, &QFutureWatcher<void>::canceled, this, [this, project, watcher]() {
             if (d->m_projectToIndexerCanceled.contains(project)) // Project not yet removed
                 d->m_projectToIndexerCanceled.insert(project, true);
+            watcher->deleteLater();
         });
         connect(watcher, &QFutureWatcher<void>::finished, this, [watcher]() {
             watcher->deleteLater();