8352597: [IR Framework] test bug: TestNotCompilable.java fails on product build

Reviewed-by: fyang, syan, thartmann

Author: eme64

test/hotspot/jtreg/testlibrary_tests/ir_framework/tests/TestNotCompilable.java

@@ -30,7 +30,7 @@
 
 /*
  * @test
- * @requires vm.compiler2.enabled & vm.flagless
+ * @requires vm.compiler2.enabled & vm.flagless & vm.debug == true
  * @summary Test the functionality of allowNotCompilable.
  * @library /test/lib /
  * @run driver ir_framework.tests.TestNotCompilable