RFR(xs): 8171011: convert some CDS dump time warning and error messages to informational messages which will be printed with -XX:+PrintSharedSpaces

Calvin Cheung calvin.cheung at oracle.com
Mon Dec 19 22:51:37 UTC 2016

bug: https://bugs.openjdk.java.net/browse/JDK-8171011

Please review this small change for the above bug.

Example output from the following command line:
$MYJDK/bin/java --limit-modules mymod -Xshare:dump -XX:+PrintSharedSpaces

before change:
Error occurred during initialization of VM
Cannot use the following option when dumping the shared archive: 

after change:
Info: the --limit-modules option is ignored when dumping the shared archive
Allocated shared space: 50577408 bytes at 0x0000000800000000
Loading classes to share ...

webev: http://cr.openjdk.java.net/~ccheung/8171011/webrev.00/

     Tests under hotspot/test/runtime/SharedArchiveFile on supported 


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