DeadCode: Add failing test case for static_asserts

static_assert generates a DeclStmt which is considered dead.

Author: lcartey

cpp/autosar/test/rules/M0-1-9/test.cpp

@@ -76,5 +76,7 @@ int test_dead_code(int x) {
   } catch (...) {   // NON_COMPLIANT
   }
 
+  static_assert(1); // COMPLIANT
+
   return live5 + live6; // COMPLIANT
 }