[llvm] [Support][CHERI] Refactor CHERICapabilityFormatBase to embrace CRTP (PR #205623)

[Jessica Clarke via llvm-commits]

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@@ -23,29 +23,41 @@ struct CHERICapabilityFormatBase {
   /// Returns the "alignment mask" for an allocation of size \p Length. This
   /// mask is 0 where the capability format alignment requires the
   /// address to be 0, and 1 otherwise.
-  LLVM_ABI static AddressType getAlignmentMask(AddressType Length);
+  LLVM_ABI static AddressType getAlignmentMask(AddressType Length) {
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jrtc27 wrote:

Indeed the ABI check complains about exactly these three

https://github.com/llvm/llvm-project/pull/205623