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gc.nim: Add a gcAssert to enforce the no heap sharing restrictions

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Araq 2018-01-12 15:08:02 +01:00
commit f1bf65f66e
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lib/system/gc.nim
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@ -639,6 +639,7 @@ when useMarkForDebug or useBackupGc:
while gch.tempStack.len > 0: while gch.tempStack.len > 0:
dec gch.tempStack.len dec gch.tempStack.len
var d = gch.tempStack.d[gch.tempStack.len] var d = gch.tempStack.d[gch.tempStack.len]
gcAssert isAllocatedPtr(gch.region, d), "markS: foreign heap root detected!"
if not containsOrIncl(gch.marked, d): if not containsOrIncl(gch.marked, d):
forAllChildren(d, waMarkPrecise) forAllChildren(d, waMarkPrecise)