diff --git a/cfg/std.cfg b/cfg/std.cfg
index 0abeb1726df..3ce786a5a73 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -6271,6 +6271,35 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
       <not-uninit/>
     </arg>
   </function>
+  <!-- template <class T> std::numeric_limits<T>::epsilon(void); -->
+  <function name="std::numeric_limits::epsilon">
+    <use-retval/>
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+    <pure/>
+  </function>
+  <!-- static std::chrono::steady_clock::time_point std::chrono::high_resolution_clock::now() noexcept;-->
+  <function name="std::chrono::high_resolution_clock::now">
+    <use-retval/>
+    <returnValue type="std::chrono::steady_clock::time_point"/>
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+  </function>
+  <!-- static std::chrono::system_clock::time_point std::chrono::system_clock::now() noexcept;-->
+  <function name="std::chrono::system_clock::now">
+    <use-retval/>
+    <returnValue type="std::chrono::system_clock::time_point"/>
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+  </function>
+  <!-- static std::time_t std::chrono::system_clock::to_time_t( const time_point& t ) noexcept;-->
+  <function name="std::chrono::system_clock::to_time_t">
+    <use-retval/>
+    <returnValue type="std::time_t"/>
+    <noreturn>false</noreturn>
+    <arg nr="1" direction="in"/>
+    <leak-ignore/>
+  </function>
   <!-- template <class T> const T& min(const T& a, const T& b); -->
   <function name="min,std::min">
     <use-retval/>