hg: hsx/hotspot-gc/hotspot: 8013872: G1: HeapRegionSeq::shrink_by() has invalid assert

[bengt.rutisson at oracle.com]

Changeset: b0d20fa374b4
Author:    brutisso
Date:      2013-05-06 21:30 +0200
URL:       http://hg.openjdk.java.net/hsx/hotspot-gc/hotspot/rev/b0d20fa374b4

8013872: G1: HeapRegionSeq::shrink_by() has invalid assert
Summary: Refactored shrink_by() to only use region counts and not byte sizes
Reviewed-by: johnc, tschatzl

! src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
! src/share/vm/gc_implementation/g1/heapRegionSeq.cpp
! src/share/vm/gc_implementation/g1/heapRegionSeq.hpp
+ test/gc/g1/TestShrinkToOneRegion.java