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6730514: assertion failure in mangling code when expanding by 0 bytes

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An expansion by 0 bytes was not anticipated when the assertion was composed.

Reviewed-by: jjh, jcoomes, apetrusenko
This commit is contained in:
Jon Masamitsu 2008-07-30 11:54:00 -07:00
parent b8633a3b01
commit 74b3de5c3b
9 changed files with 87 additions and 53 deletions
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3
hotspot/src/share/vm/gc_implementation/shared/spaceDecorator.cpp
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@ -39,7 +39,8 @@ bool SpaceMangler::is_mangled(HeapWord* q) {
void SpaceMangler::set_top_for_allocations(HeapWord* v) {
if (v < end()) {
assert(is_mangled(v), "The high water mark is not mangled");
assert(!CheckZapUnusedHeapArea || is_mangled(v),
"The high water mark is not mangled");
}
_top_for_allocations = v;
}