hg: jdk-updates/jdk12u: 8219650: [Testbug] Fix potential crashes in new test hotspot gtest "test_print_hex_dump"

[christoph.langer at sap.com]

Changeset: a5881e9139ca
Author:    stuefe
Date:      2019-02-28 14:22 +0100
URL:       http://hg.openjdk.java.net/jdk-updates/jdk12u/rev/a5881e9139ca

8219650: [Testbug] Fix potential crashes in new test hotspot gtest "test_print_hex_dump"
Reviewed-by: clanger, shade

! src/hotspot/share/runtime/os.cpp
! test/hotspot/gtest/runtime/test_os.cpp