[clang] [llvm] [clang][CodeGen] `used` globals && the payloads for global ctors & dtors are globals (PR #93601)

[Matt Arsenault via cfe-commits]

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@@ -2922,18 +2922,19 @@ static void emitUsed(CodeGenModule &CGM, StringRef Name,
   if (List.empty())
     return;
 
+  llvm::Type *UsedPtrTy = llvm::PointerType::getUnqual(CGM.getLLVMContext());
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arsenm wrote:

Best to just use get(Ctx, 0) 

https://github.com/llvm/llvm-project/pull/93601