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Change sentinel value for zapping of old-to-new pointers.

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R=erik.corry@gmail.com
BUG=v8:2143

Review URL: https://chromiumcodereview.appspot.com/10411089

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11630 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
mstarzinger@chromium.org 2012-05-23 11:17:22 +00:00
parent 596d7127d7
commit 7412d9adbe
1 changed files with 3 additions and 1 deletions
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4
src/mark-compact.cc
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@ -2738,7 +2738,9 @@ static void UpdatePointer(HeapObject** p, HeapObject* object) {
// We have to zap this pointer, because the store buffer may overflow later,
// and then we have to scan the entire heap and we don't want to find
// spurious newspace pointers in the old space.
*p = reinterpret_cast<HeapObject*>(Smi::FromInt(0));
// TODO(mstarzinger): This was changed to a sentinel value to track down
// rare crashes, change it back to Smi::FromInt(0) later.
*p = reinterpret_cast<HeapObject*>(Smi::FromInt(0x0f100d00 >> 1)); // flood
}
}