test: always call checkExpression

Author: gabritto

src/compiler/checker.ts

@@ -34322,11 +34322,12 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
                 break;
         }
 
+        const exprType = checkExpression(expression);
         if (isConstTypeReference(type)) {
             if (!isValidConstAssertionArgument(expression)) {
                 error(expression, Diagnostics.A_const_assertions_can_only_be_applied_to_references_to_enum_members_or_string_number_boolean_array_or_object_literals);
             }
-            return getRegularTypeOfLiteralType(checkExpression(expression));
+            return getRegularTypeOfLiteralType(exprType);
         }
         checkSourceElement(type);
         checkNodeDeferred(node);