From 137d3367cff2ca9e61d58599e1cf16bc5751589d Mon Sep 17 00:00:00 2001
From: Christian Kandeler <christian.kandeler@qt.io>
Date: Tue, 22 Mar 2022 11:13:27 +0100
Subject: [PATCH] CppEditor: Do not crash on doxygen comment creation

... for templates that were not parsed entirely successfully.
Amends a437539096.

Fixes: QTCREATORBUG-27207
Change-Id: I4d7935b30cac9ce14f442977d07417a343ecae11
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
---
 src/plugins/cppeditor/doxygengenerator.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/plugins/cppeditor/doxygengenerator.cpp b/src/plugins/cppeditor/doxygengenerator.cpp
index 9ab9e109eb6..23d551afc87 100644
--- a/src/plugins/cppeditor/doxygengenerator.cpp
+++ b/src/plugins/cppeditor/doxygengenerator.cpp
@@ -141,8 +141,10 @@ QString DoxygenGenerator::generate(QTextCursor cursor,
 
 QString DoxygenGenerator::generate(QTextCursor cursor, DeclarationAST *decl)
 {
-    if (const TemplateDeclarationAST * const templDecl = decl->asTemplateDeclaration())
+    if (const TemplateDeclarationAST * const templDecl = decl->asTemplateDeclaration();
+            templDecl && templDecl->declaration) {
         decl = templDecl->declaration;
+    }
 
     SpecifierAST *spec = nullptr;
     DeclaratorAST *decltr = nullptr;