[clang] [Clang][CodeGen] Preserve alignment information for pointer arithmetics (PR #152575)

[Eli Friedman via cfe-commits]

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@@ -1381,6 +1432,13 @@ static Address EmitPointerWithAlignment(const Expr *E, LValueBaseInfo *BaseInfo,
         if (CE->getCastKind() == CK_AddressSpaceConversion)
           Addr = CGF.Builder.CreateAddrSpaceCast(
               Addr, CGF.ConvertType(E->getType()), ElemTy);
+        // Note: Workaround for PR114062. See also the special handling in
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efriedma-quic wrote:

Inserting random casts is how we get into trouble like this in the first place...

https://github.com/llvm/llvm-project/pull/152575