diff --git a/test/main-override.cpp b/test/main-override.cpp
index 65df79f1..4f4799f8 100644
--- a/test/main-override.cpp
+++ b/test/main-override.cpp
@@ -37,14 +37,18 @@ static void fail_aslr();              // issue #372
 static void tsan_numa_test();         // issue #414
 static void strdup_test();            // issue #445 
 static void bench_alloc_large(void);  // issue #xxx
-static void test_large_migrate(void); // issue #691
+//static void test_large_migrate(void); // issue #691
 static void heap_thread_free_huge();
+static void test_std_string();        // issue #697
 
 static void test_stl_allocators();
 
 
 int main() {
-  mi_stats_reset();  // ignore earlier allocations  
+  // mi_stats_reset();  // ignore earlier allocations
+  
+  test_std_string();
+  // heap_thread_free_huge();
   /*
    heap_thread_free_huge();
    heap_thread_free_large();
@@ -58,11 +62,10 @@ int main() {
   */
   // test_stl_allocators();
   // test_mt_shutdown();
-  test_large_migrate();
+  // test_large_migrate();
   
   //fail_aslr();
-  bench_alloc_large();
-  mi_stats_print(NULL);
+  // mi_stats_print(NULL);
   return 0;
 }
 
@@ -177,7 +180,7 @@ static void test_stl_allocators() {
 #endif
 }
 
-
+#if 0
 // issue #691
 static char* cptr;
 
@@ -211,6 +214,7 @@ static void test_large_migrate(void) {
   */
   return;
 }
+#endif
 
 // issue 445
 static void strdup_test() {
@@ -237,6 +241,13 @@ static void heap_no_delete() {
 }
 
 
+// Issue #697
+static void test_std_string() {
+  std::string path = "/Users/xxxx/Library/Developer/Xcode/DerivedData/xxxxxxxxxx/Build/Intermediates.noindex/xxxxxxxxxxx/arm64/XX_lto.o/0.arm64.lto.o";
+  std::string path1 = "/Users/xxxx/Library/Developer/Xcode/DerivedData/xxxxxxxxxx/Build/Intermediates.noindex/xxxxxxxxxxx/arm64/XX_lto.o/1.arm64.lto.o";
+  std::cout << path + "\n>>>            " + path1 + "\n>>>            " << std::endl;
+}
+
 // Issue #204
 static volatile void* global_p;