diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 6cb2bcf..025f696 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -4326,6 +4326,9 @@
     Init->setType(DclT);
   }
 
+  // Check any implicit conversions within the expression.
+  CheckImplicitConversions(Init, VDecl->getLocation());
+
   Init = MaybeCreateCXXExprWithTemporaries(Init);
   // Attach the initializer to the decl.
   VDecl->setInit(Init);