8011898: gc/TestVerifyBeforeGCDuringStartup.java: java.lang.RuntimeException: '[Verifying' missing from stdout/stderr: [Error: Could not find or load main class] Summary: System.getProperty("test.java.opts") can return NULL, which gets converted to to the empty string, and the child java command then interprets that as the name of the main class. Reviewed-by: jmasa, brutisso