In a full and incremental build I get these warnings:

busaa027.us.oracle.com% grep "No such file" results
/bin/find: ‘/home/cphillim/hg.local/9clean/hotspot/test/compiler/native’: No such file or directory
/bin/find: ‘/home/cphillim/hg.local/9clean/hotspot/test/compiler/native’: No such file or directory
/bin/find: ‘/home/cphillim/hg.local/9clean/hotspot/test/compiler/native’: No such file or directory
/bin/find: ‘/home/cphillim/hg.local/9clean/hotspot/test/compiler/native’: No such file or directory

I think it came from this change to JtregNative.gmk

changeset: 11607:b08a2a6286f1
user: gthornbr
date: Fri Jul 15 10:46:08 2016 -0700
summary: 8144278: [TESTBUG] hotspot/runtime/StackGuardPages/testme.sh should use native library build support

From hg annotate anyway.