hg: jdk/submit: 8231863: Crash if classpath is read from @argument file and the main gets option argument

[henry.jen at oracle.com]

Changeset: aebd72de84b0
Author:    henryjen
Date:      2019-11-11 17:43 -0800
URL:       https://hg.openjdk.java.net/jdk/submit/rev/aebd72de84b0

8231863: Crash if classpath is read from @argument file and the main gets option argument
Reviewed-by: alanb, mchung
Contributed-by: Mat Carter <matthew.carter at microsoft.com>

! src/java.base/share/native/libjli/args.c
! test/jdk/tools/launcher/ArgsFileTest.java
! test/jdk/tools/launcher/TestHelper.java