[llvm] [DebugInfo][AT] Treat escaping calls as untagged stores in assignment tracking (PR #183979)

[Shivam Kunwar via llvm-commits]

phyBrackets wrote:

> Hi @OCHyams ,
> 
> the assert you suggested hits on the AArch64 tag-offset tests (dbg-assign-tag-offset.ll and dbg-assign-tag-offset-mix-loc.ll), turns out address-modifying DIExpressions on dbg_assigns do occur in practice there. Changed it to a defensive continue that skips those variables instead, so they get the same behavior as before this patch (no escaping call handling, but no crash either).

Do let me know, If you disagree with this. 

https://github.com/llvm/llvm-project/pull/183979