ProjectModel: Fix crash when updating parsing state of project

Fix crash when updating the parsing state of a project during the time
between the project being removed from the session and the time when
the project is actually destroyed.

Change-Id: I54bf4793626497315fe588ebb68474b880de2984
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

1 files changed, 8 insertions, 2 deletions

diff --git a/src/plugins/projectexplorer/projectmodels.cpp b/src/plugins/projectexplorer/projectmodels.cpp
index 226b85e67d..cbb375da61 100644
--- a/src/plugins/projectexplorer/projectmodels.cpp
+++ b/src/plugins/projectexplorer/projectmodels.cpp
@@ -314,9 +314,15 @@ void FlatModel::handleProjectAdded(Project *project)
     QTC_ASSERT(project, return);
 
     connect(project, &Project::parsingStarted,
-            this, [this, project]() { parsingStateChanged(project); });
+            this, [this, project]() {
+        if (nodeForProject(project))
+            parsingStateChanged(project);
+    });
     connect(project, &Project::parsingFinished,
-            this, [this, project]() { parsingStateChanged(project); });
+            this, [this, project]() {
+        if (nodeForProject(project))
+            parsingStateChanged(project);
+    });
     addOrRebuildProjectModel(project);
 }