tejohnson added inline comments.

================
Comment at: clang/lib/CodeGen/ItaniumCXXABI.cpp:1781
+    // analysis.
+    if (VTable->isDeclarationForLinker())
+      CGM.addCompilerUsedGlobal(VTable);
----------------
davidxl wrote:
> Is it better to guard it with with if 
> (CGM.getCodeGenOpts().WholeProgramVTables)  which seems clearer in intention?
No I don't think we want to do this, it would mean every single vtable would be 
put on the llvm.compiler.used which is unnecessary. The available_externally 
are the ones that aren't sticking around otherwise.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D96919/new/

https://reviews.llvm.org/D96919

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