hg: graal/graal: avoid creation of scopes if -G:Time, -G:Meter and -G:TrackMemUse all have null or empty values and no other debug scope based options are given (e.g., -G:Log, -G:Dump, etc)

[doug.simon at oracle.com]

Changeset: e7e868a42b3f
Author:    Doug Simon <doug.simon at oracle.com>
Date:      2015-03-23 22:32 +0100
URL:       http://hg.openjdk.java.net/graal/graal/rev/e7e868a42b3f

avoid creation of scopes if -G:Time, -G:Meter and -G:TrackMemUse all have null or empty values and no other debug scope based options are given (e.g., -G:Log, -G:Dump, etc)

! graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/GraalDebugConfig.java
! graal/com.oracle.graal.debug/src/com/oracle/graal/debug/Debug.java
! graal/com.oracle.graal.debug/src/com/oracle/graal/debug/internal/MemUseTrackerImpl.java
! graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotGraalRuntime.java
! graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotOptions.java