1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index b556f18b7632b..c6af2edee512c 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -8702,6 +8702,14 @@ void Sema::AddInitializerToDecl(Decl *RealDecl, Expr *Init,
     CheckVariableDeclarationType(VDecl);
     if (VDecl->isInvalidDecl())
       return;
+
+    // If all looks well, warn if this is a case that will change meaning when
+    // we implement N3922.
+    if (DirectInit && !CXXDirectInit && isa<InitListExpr>(Init)) {
+      Diag(Init->getLocStart(),
+           diag::warn_auto_var_direct_list_init)
+        << FixItHint::CreateInsertion(Init->getLocStart(), "=");
+    }
   }
 
   // dllimport cannot be used on variable definitions.