diff --git a/clang/lib/AST/Interp/ByteCodeExprGen.cpp b/clang/lib/AST/Interp/ByteCodeExprGen.cpp
index 2539e756226a1..aaa8ac834cf9f 100644
--- a/clang/lib/AST/Interp/ByteCodeExprGen.cpp
+++ b/clang/lib/AST/Interp/ByteCodeExprGen.cpp
@@ -1750,8 +1750,7 @@ bool ByteCodeExprGen<Emitter>::VisitPredefinedExpr(const PredefinedExpr *E) {
   if (DiscardResult)
     return true;
 
-  assert(!Initializing);
-  return this->visit(E->getFunctionName());
+  return this->delegate(E->getFunctionName());
 }
 
 template <class Emitter>
diff --git a/clang/test/Sema/ms_predefined_expr.cpp b/clang/test/Sema/ms_predefined_expr.cpp
index 9f4eb2763430d..b42a494beef98 100644
--- a/clang/test/Sema/ms_predefined_expr.cpp
+++ b/clang/test/Sema/ms_predefined_expr.cpp
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 %s -fsyntax-only -Wmicrosoft -verify -fms-extensions
+// RUN: %clang_cc1 %s -fsyntax-only -Wmicrosoft -verify -fms-extensions -fexperimental-new-constant-interpreter
 
 using size_t = __SIZE_TYPE__;