hg: jdk8u/jdk8u-dev/hotspot: 8174050: Compilation errors with clang-4.0

[thomas.schatzl at oracle.com]

Changeset: 61523d110335
Author:    tschatzl
Date:      2018-07-30 10:28 +0200
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/61523d110335

8174050: Compilation errors with clang-4.0
Reviewed-by: tschatzl, kvn
Contributed-by: Leslie Zhai <lesliezhai-hotspot at llvm.org.cn>

! src/share/vm/opto/lcm.cpp
! src/share/vm/opto/loopPredicate.cpp
! src/share/vm/runtime/virtualspace.cpp