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changeset 960:eb058abd0562

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6861557: G1: assert(top() == bottom() || zfs == Allocated,"Region must be empty, or ...") Summary: Druing heap shrinking, check for emptiness of a region before modifying its ZF status. Reviewed-by: tonyp
author ysr
date Tue, 15 Sep 2009 16:50:50 -0700
parents 68ef3fdcdb76
children d7c9544cc141
files src/share/vm/gc_implementation/g1/heapRegionSeq.cpp
diffstat 1 files changed, 1 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/vm/gc_implementation/g1/heapRegionSeq.cpp	Thu Sep 10 16:46:17 2009 -0700
+++ b/src/share/vm/gc_implementation/g1/heapRegionSeq.cpp	Tue Sep 15 16:50:50 2009 -0700
@@ -302,9 +302,9 @@
     if (cur->isHumongous()) {
       return MemRegion(last_start, end);
     }
-    cur->reset_zero_fill();
     assert(cur == _regions.top(), "Should be top");
     if (!cur->is_empty()) break;
+    cur->reset_zero_fill();
     shrink_bytes -= cur->capacity();
     num_regions_deleted++;
     _regions.pop();