1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Linker/LinkModules.cpp b/llvm/lib/Linker/LinkModules.cpp
index 9c3f1834801..d6f4ef81d74 100644
--- a/llvm/lib/Linker/LinkModules.cpp
+++ b/llvm/lib/Linker/LinkModules.cpp
@@ -1532,8 +1532,10 @@ bool ModuleLinker::run() {
     GlobalValue *SGV = LazilyLinkGlobalValues.back();
     LazilyLinkGlobalValues.pop_back();
 
-    if (auto F = dyn_cast<Function>(SGV))
-      assert(!F->isDeclaration() && "users should not pass down decls");
+    if (isa<Function>(SGV))
+      assert(!cast<Function>(SGV)->isDeclaration() &&
+             "users should not pass down decls");
+
     if (linkGlobalValueBody(*SGV))
       return true;
   }