[clang] [clang][analyzer] Extend lifetime of dynamic extent information (PR #163562)

[Donát Nagy via cfe-commits]

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@@ -128,5 +128,12 @@ ProgramStateRef setDynamicExtent(ProgramStateRef State, const MemRegion *MR,
   return State->set<DynamicExtentMap>(MR->StripCasts(), Size);
 }
 
+void markAllDynamicExtentLive(ProgramStateRef State, SymbolReaper &SymReaper) {
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NagyDonat wrote:

Perhaps rename this to `keepDynamicExtentAlive` or something similar now that we no longer mark _all_ the dynamic extent values as live?

https://github.com/llvm/llvm-project/pull/163562