[clang] [clang][CodeGen] `sret` args should always point to the `alloca` AS, so use that (PR #114062)

[Alex Voicu via cfe-commits]

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@@ -3283,12 +3293,14 @@ ABIArgInfo WinX86_64ABIInfo::classify(QualType Ty, unsigned &FreeSSERegs,
   if (RT) {
     if (!IsReturnType) {
       if (CGCXXABI::RecordArgABI RAA = getRecordArgABI(RT, getCXXABI()))
-        return getNaturalAlignIndirect(Ty, RAA == CGCXXABI::RAA_DirectInMemory);
+        return getNaturalAlignIndirect(Ty, getDataLayout().getAllocaAddrSpace(),
+                                       RAA == CGCXXABI::RAA_DirectInMemory);
     }
 
     if (RT->getDecl()->hasFlexibleArrayMember())
-      return getNaturalAlignIndirect(Ty, /*ByVal=*/false);
-
+      return getNaturalAlignIndirect(
+          Ty, getContext().getTargetAddressSpace(LangAS::Default),
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AlexVlx wrote:

Fixed.

https://github.com/llvm/llvm-project/pull/114062