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

[Mariya Podchishchaeva via cfe-commits]

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

I'm not sure it will? With only modifying base TargetInfo clang will continue emit LLVM IR where giant vectors are returned directly, this code fails the verification.

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