hg: jdk9/hs-comp/hotspot: 8072398: assert fails in L1RGenerator::increment_event_counter_impl

[zoltan.majo at oracle.com]

Changeset: 048d681ebfe2
Author:    zmajo
Date:      2015-02-06 18:16 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/048d681ebfe2

8072398: assert fails in L1RGenerator::increment_event_counter_impl
Summary: Change scaling code to allow scaling with 0.0; change set_tiered_flags() to treat CompileThresholdScaling==0.0 in a special way.
Reviewed-by: kvn, iveresov

! src/share/vm/runtime/arguments.cpp
! src/share/vm/runtime/globals.hpp
! test/compiler/arguments/CheckCompileThresholdScaling.java