[clang] [Clang][Windows] Preserve x86_fp80 and vector alignment under #pragma pack. (PR #208256)

[Zahira Ammarguellat via cfe-commits]

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@@ -183,6 +183,9 @@ enum class AlignRequirementKind {
 
   /// The alignment comes from an alignment attribute on a enum type.
   RequiredByEnum,
+
+  /// The alignment is required by the ABI for correctness.
+  RequiredByABI,
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zahiraam wrote:

Yes. Much better. Done.

https://github.com/llvm/llvm-project/pull/208256