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Erik Eckstein e5081a511f AliasAnalysis: fix aliasing of ref_tail_addr access bases
In contrast to `ref_element_addr`, tail addresses can also be obtained via a superclass (in case the derived class doesn't add any stored properties).
Therefore if the instance types differ by sub-superclass relationship, they may alias.

Fixes a miscompile
2025-08-28 08:09:39 +02:00
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