hg: code-tools/jtreg: 7902382: Tool JVM option ends up in @ file

[jonathan.gibbons at oracle.com]

Changeset: 6f00c63c0a98
Author:    jjg
Date:      2019-02-14 11:14 -0800
URL:       http://hg.openjdk.java.net/code-tools/jtreg/rev/6f00c63c0a98

7902382: Tool JVM option ends up in @ file

! src/share/classes/com/sun/javatest/regtest/exec/CompileAction.java