Commit e8513044 authored by Logan Chien's avatar Logan Chien
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Fix assertion failure on DeferredDeclsToEmit. 

The assertion failure will be raised by TryEmitDefinitionAsAlias()
because it will call Entry->replaceAllUsesWith(Alias) and Entry
might be hold by the AssertingVH, which will become a dangling
pointer after RAUW.

This commit fixes the problem by replacing AssertingVH with
TrackingVH.
parent 0770410f
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