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Bug 864462 - Fix OOM in write barrier verifier (r=terrence)

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This commit is contained in:
Bill McCloskey 2013-04-25 21:02:15 -07:00
parent fb19038e8b
commit d5ad35af09
1 changed files with 5 additions and 3 deletions
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8
js/src/gc/Verifier.cpp
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@ -509,12 +509,13 @@ gc::StartVerifyPreBarriers(JSRuntime *rt)
const size_t size = 64 * 1024 * 1024;
trc->root = (VerifyNode *)js_malloc(size);
JS_ASSERT(trc->root);
if (!trc->root)
goto oom;
trc->edgeptr = (char *)trc->root;
trc->term = trc->edgeptr + size;
if (!trc->nodemap.init())
return;
goto oom;
/* Create the root node. */
trc->curnode = MakeNode(trc, NULL, JSGCTraceKind(0));
@ -525,7 +526,8 @@ gc::StartVerifyPreBarriers(JSRuntime *rt)
/* Make all the roots be edges emanating from the root node. */
MarkRuntime(trc);
VerifyNode *node = trc->curnode;
VerifyNode *node;
node = trc->curnode;
if (trc->edgeptr == trc->term)
goto oom;