1 files changed, 7 insertions, 3 deletions
diff --git a/libcxx/test/support/debug_mode_helper.h b/libcxx/test/support/debug_mode_helper.h
index 0c6170589c2..350deb08382 100644
--- a/libcxx/test/support/debug_mode_helper.h
+++ b/libcxx/test/support/debug_mode_helper.h
@@ -191,8 +191,9 @@ public:
   static void run_allocator_aware_tests() {
     try {
       SwapNonEqualAllocators();
-      if constexpr (CT != CT_ForwardList) {
-          SwapInvalidatesIterators(); // FIXME: This should work
+      if constexpr (CT != CT_ForwardList ) {
+          // FIXME: This should work for both forward_list and string
+          SwapInvalidatesIterators();
       }
     } catch (...) {
       assert(false && "uncaught debug exception");
@@ -359,7 +360,10 @@ private:
     iterator it2 = C2.begin();
     swap(C1, C2);
     CHECK_DEBUG_THROWS( C1.erase(it1) );
-    C1.erase(it2);
+    if (CT == CT_String) {
+      CHECK_DEBUG_THROWS(C1.erase(it2));
+    } else
+      C1.erase(it2);
     //C2.erase(it1);
     CHECK_DEBUG_THROWS( C1.erase(it1) );
   }