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8218192: Remove copy constructor for MemRegion

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Remove copy constructor in memRegion.hpp

Reviewed-by: tschatzl, kbarrett
This commit is contained in:
Man Cao 2019-02-05 08:20:09 -08:00
parent 39ba0f09a9
commit a75f826ea8
1 changed files with 3 additions and 3 deletions
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6
src/hotspot/share/memory/memRegion.hpp
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@ -34,7 +34,9 @@
// Note that MemRegions are passed by value, not by reference.
// The intent is that they remain very small and contain no
// objects. These should never be allocated in heap but we do
// objects. The copy constructor and destructor must be trivial,
// to support optimization for pass-by-value.
// These should never be allocated in heap but we do
// create MemRegions (in CardTableBarrierSet) in heap so operator
// new and operator new [] added for this special case.
@ -59,8 +61,6 @@ public:
assert(end >= start, "incorrect constructor arguments");
}
MemRegion(const MemRegion& mr): _start(mr._start), _word_size(mr._word_size) {}
MemRegion intersection(const MemRegion mr2) const;
// regions must overlap or be adjacent
MemRegion _union(const MemRegion mr2) const;