Deref of DynTypedNode* must not outlive owning DynTypedNodeList

Change-Id: I8ac4a2f1e442446384b88f38bdef21644409f8a2
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/90303
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/compilerplugins/clang/plugin.cxx b/compilerplugins/clang/plugin.cxx
index d91acf722f1a..14d8af8d65b3 100644
--- a/compilerplugins/clang/plugin.cxx
+++ b/compilerplugins/clang/plugin.cxx
@@ -201,9 +201,10 @@ Stmt* Plugin::getParentStmt( Stmt* stmt )
 
 static const Decl* getFunctionDeclContext(ASTContext& context, const Stmt* stmt)
 {
-    auto it = context.getParents(*stmt).begin();
+    auto const parents = context.getParents(*stmt);
+    auto it = parents.begin();
 
-    if (it == context.getParents(*stmt).end())
+    if (it == parents.end())
           return nullptr;
 
     const Decl *decl = it->get<Decl>();