Exceptionpropagation from the deleter prevented. As the deleter is

called from within the dtor, this may otherwise cause UB (fixes #7).

include/scope_guard.h

@@ -28,7 +28,7 @@ namespace sr
         {
             if( m_execute_on_destruction == true )
             {
-                m_deleter();
+                callDeleterSafe();
             }
         }
 
@@ -45,6 +45,16 @@ namespace sr
 
     private:
 
+        void callDeleterSafe() noexcept
+        {
+            try
+            {
+                m_deleter();
+            }
+            catch( ... ) { /* Empty */ }
+        }
+
+
         Deleter m_deleter;
         bool m_execute_on_destruction;
     };

test/ScopeGuardTest.cpp

@@ -64,3 +64,10 @@ TEST_CASE("move transfers state if released", "[ScopeGuard]")
     REQUIRE(executed == false);
 }
 
+TEST_CASE("no exception propagation from deleter", "[ScopeGuard]")
+{
+    REQUIRE_NOTHROW([] {
+        auto guard = sr::scope_guard([] { throw "Don't propagate this!"; });
+        static_cast<void>(guard);
+        }());
+}