Backport request - RFR: JDK-8054836 [TESTBUG] Test is needed to verify correctness of malloc tracking

[George Triantafillou]

This is a backport request to 8u40 for "JDK-8054836 [TESTBUG] Test is 
needed to verify correctness of malloc tracking".

JDK9 changeset: 
http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/59c55db51def
JBS: https://bugs.openjdk.java.net/browse/JDK-8054836
Webrev: http://cr.openjdk.java.net/~gtriantafill/8054836/webrev.01 
<http://cr.openjdk.java.net/%7Egtriantafill/8054836/webrev.01>

The original patch applied cleanly.

Thanks.

-George