RFR (XS): 8006199: [parfait] Possible null pointer dereference at hotspot/src/share/vm/opto/loopopts.cpp

[Albert Noll]

Hi all,

please review this patch.

Many thanks in advance,
Albert

jbs: https://jbs.oracle.com/bugs/browse/JDK-8006199
webrev: http://cr.openjdk.java.net/~adlertz/JDK-8006199/webrev00/

Most reported issues are fixed in JDK-8008811, except for one issue.
This patch adds a guarantee() to check the potential null pointer.

Test:
jprt -testset compiler