hg: jdk8u/jdk8u-dev/hotspot: 8072428: Enable UseLoopCounter ergonomically if on-stack-replacement is enabled

[david.buck at oracle.com]

Changeset: 440fd98d0bd1
Author:    dbuck
Date:      2017-09-07 09:17 -0400
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/440fd98d0bd1

8072428: Enable UseLoopCounter ergonomically if on-stack-replacement is enabled
Summary: Set UseLoopCounter ergonomically if on-stack-replacement is enabled. Print warning.
Reviewed-by: kvn

! src/share/vm/runtime/arguments.cpp