hg: jdk/submit: 8218562: handle HOTSPOT_BUILD_COMPILER for clang/xlclang and cleanup HOTSPOT_BUILD_COMPILER settings

[matthias.baesken at sap.com]

Changeset: e2ca02ef27b2
Author:    mbaesken
Date:      2019-02-06 16:02 +0100
URL:       http://hg.openjdk.java.net/jdk/submit/rev/e2ca02ef27b2

8218562: handle HOTSPOT_BUILD_COMPILER for clang/xlclang and cleanup HOTSPOT_BUILD_COMPILER settings

! src/hotspot/share/runtime/vm_version.cpp