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NativeContext::map_cache reference should be strong in heap snapshots

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This change makes the reference itself a strong one. We will also need a special handling to make references from MapCache object to Map weak in the heap snapshots. The latter will be addressed separately.

BUG=chromium:357060
LOG=Y
R=alph@chromium.org, hpayer@chromium.org

Review URL: https://codereview.chromium.org/214683002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20304 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
yurys@chromium.org 2014-03-27 14:19:51 +00:00
parent 155225c69c
commit 279e86d6ea
1 changed files with 2 additions and 1 deletions
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3
src/heap-snapshot-generator.cc
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@ -1278,7 +1278,8 @@ void V8HeapExplorer::ExtractContextReferences(int entry, Context* context) {
}
#define EXTRACT_CONTEXT_FIELD(index, type, name) \
if (Context::index < Context::FIRST_WEAK_SLOT) { \
if (Context::index < Context::FIRST_WEAK_SLOT || \
Context::index == Context::MAP_CACHE_INDEX) { \
SetInternalReference(context, entry, #name, context->get(Context::index), \
FixedArray::OffsetOfElementAt(Context::index)); \
} else { \