diff --git a/clang/lib/Analysis/LifetimeSafety/Checker.cpp b/clang/lib/Analysis/LifetimeSafety/Checker.cpp
index 53899251b9643..7eb948373152b 100644
--- a/clang/lib/Analysis/LifetimeSafety/Checker.cpp
+++ b/clang/lib/Analysis/LifetimeSafety/Checker.cpp
@@ -356,8 +356,11 @@ class LifetimeChecker {
 
     // We iterate in reverse order (from most recent to oldest) to find
     // the first declaration in each file.
-    for (const FunctionDecl *Redecl :
-         llvm::reverse(llvm::to_vector(FDef->redecls())))
+
+    // Store in temporary variable to manually extend lifetime
+    auto redecls = llvm::to_vector(FDef->redecls());
+
+    for (const FunctionDecl *Redecl : llvm::reverse(redecls))
       AddCrossTUDecl(Redecl);
 
     return Targets;