hg: jdk9/hs-gc/hotspot: 8068942: Improve validation of -XX:G1ConfidencePercent value

[jon.masamitsu at oracle.com]

Changeset: 3ca118e90cc9
Author:    kbarrett
Date:      2015-01-29 00:08 -0500
URL:       http://hg.openjdk.java.net/jdk9/hs-gc/hotspot/rev/3ca118e90cc9

8068942: Improve validation of -XX:G1ConfidencePercent value
Summary: Validate during argument processing and simplify usage by assuming validated.
Reviewed-by: jmasa, tschatzl

! src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp
! src/share/vm/runtime/arguments.cpp
! test/TEST.groups
+ test/gc/arguments/TestG1PercentageOptions.java