diff --git a/lldb/examples/synthetic/gnu_libstdcpp.py b/lldb/examples/synthetic/gnu_libstdcpp.py
--- a/lldb/examples/synthetic/gnu_libstdcpp.py
+++ b/lldb/examples/synthetic/gnu_libstdcpp.py
@@ -148,6 +148,7 @@
             self.data_size = self.data_type.GetByteSize()
         except:
             pass
+        return False
 
     def has_children(self):
         return True
@@ -235,7 +236,7 @@
                     self.count = 0
             except:
                 pass
-            return True
+            return False 
 
     class StdVBoolImplementation(object):
 
@@ -282,7 +283,7 @@
                 self.valid = True
             except:
                 self.valid = False
-            return True
+            return False
 
     def __init__(self, valobj, dict):
         logger = lldb.formatters.Logger.Logger()
@@ -378,6 +379,7 @@
             self.skip_size = self.Mheader.GetType().GetByteSize()
         except:
             pass
+        return False
 
     def num_children(self):
         logger = lldb.formatters.Logger.Logger()
diff --git a/lldb/test/API/tools/lldb-vscode/evaluate/TestVSCode_evaluate.py b/lldb/test/API/tools/lldb-vscode/evaluate/TestVSCode_evaluate.py
--- a/lldb/test/API/tools/lldb-vscode/evaluate/TestVSCode_evaluate.py
+++ b/lldb/test/API/tools/lldb-vscode/evaluate/TestVSCode_evaluate.py
@@ -39,7 +39,11 @@
             [
                 line_number(source, "// breakpoint 1"),
                 line_number(source, "// breakpoint 2"),
-                line_number(source, "// breakpoint 3")
+                line_number(source, "// breakpoint 3"),
+                line_number(source, "// breakpoint 4"),
+                line_number(source, "// breakpoint 5"),
+                line_number(source, "// breakpoint 6"),
+                line_number(source, "// breakpoint 7"),
             ]
         )
         self.continue_to_next_stop()
@@ -132,6 +136,20 @@
             self.assertEvaluateFailure("foo_func")
             self.assertEvaluateFailure("foo_var")
 
+        # Now we check that values are updated after stepping
+        self.continue_to_next_stop()
+        self.assertEvaluate("my_vec", "size=2")
+        self.continue_to_next_stop()
+        self.assertEvaluate("my_vec", "size=3")
+
+        self.assertEvaluate("my_map", "size=2")
+        self.continue_to_next_stop()
+        self.assertEvaluate("my_map", "size=3")
+        
+        self.assertEvaluate("my_bool_vec", "size=1")
+        self.continue_to_next_stop()
+        self.assertEvaluate("my_bool_vec", "size=2")
+
     @skipIfWindows
     @skipIfRemote
     def test_generic_evaluate_expressions(self):
diff --git a/lldb/test/API/tools/lldb-vscode/evaluate/main.cpp b/lldb/test/API/tools/lldb-vscode/evaluate/main.cpp
--- a/lldb/test/API/tools/lldb-vscode/evaluate/main.cpp
+++ b/lldb/test/API/tools/lldb-vscode/evaluate/main.cpp
@@ -1,5 +1,8 @@
 #include "foo.h"
 
+#include <vector>
+#include <map>
+
 static int static_int = 42;
 
 int non_static_int = 43;
@@ -25,5 +28,21 @@
   }
   a_function(var3);
   foo_func();
+
+  std::vector<int> my_vec;
+  my_vec.push_back(1);
+  my_vec.push_back(2);
+  my_vec.push_back(3); // breakpoint 4
+
+  std::map<int, int> my_map;
+  my_map[1] = 2;
+  my_map[2] = 3;
+  my_map[3] = 4; // breakpoint 5
+
+  std::vector<bool> my_bool_vec;
+  my_bool_vec.push_back(true);
+  my_bool_vec.push_back(false); // breakpoint 6
+  my_bool_vec.push_back(true); // breakpoint 7
+  
   return 0;
 }