hg: jdk/jdk12: 8216362: Better error message handling when there is an invalid Manifest

[lance.andersen at oracle.com]

Changeset: 8f822a19309b
Author:    lancea
Date:      2019-01-14 16:35 -0500
URL:       http://hg.openjdk.java.net/jdk/jdk12/rev/8f822a19309b

8216362: Better error message handling when there is an invalid Manifest
Reviewed-by: lancea, rriggs, mullan
Contributed-by: Philipp Kunz <philipp.kunz at paratix.ch>

! src/java.base/share/classes/java/util/jar/Manifest.java
+ test/jdk/java/util/jar/Manifest/IncludeInExceptionsTest.java