[clang] [clang] Limit alignment for emitted vectors (PR #98629)

[Mariya Podchishchaeva via cfe-commits]

================
@@ -133,6 +133,7 @@ struct TransferrableTargetInfo {
   unsigned short SuitableAlign;
   unsigned short NewAlign;
   unsigned MaxVectorAlign;
----------------
Fznamznon wrote:

I did MaxVectorAlign = 2^14 in base TargetInfo, 
```   
 if (Ty->getAs<VectorType>() &&
        getContext().getTypeSize(Ty) > getTarget().getVectorAlignAlign())
      return getNaturalAlignIndirect(Ty);
```
in `ABIArgInfo X86_64ABIInfo::getIndirectReturnResult` like it is checked now with `getMaxPossibleAlign`.

https://github.com/llvm/llvm-project/pull/98629