[LLVM/CodeGen] Use the correct address space when building structor tables. (#171247)

No in-tree target exercises this, but it's needed for CHERI, and I
believe its correctness is verifiable by inspection.

Co-authored-by: Alex Richardson <[email protected]>

Author: resistor

llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp

@@ -3473,7 +3473,7 @@ void AsmPrinter::emitXXStructorList(const DataLayout &DL, const Constant *List,
   if (!TM.Options.UseInitArray)
     std::reverse(Structors.begin(), Structors.end());
 
-  const Align Align = DL.getPointerPrefAlignment();
+  const Align Align = DL.getPointerPrefAlignment(DL.getProgramAddressSpace());
   for (Structor &S : Structors) {
     const TargetLoweringObjectFile &Obj = getObjFileLowering();
     const MCSymbol *KeySym = nullptr;