[clang] [CLANG]Add Scalable vectors for mfloat8_t (PR #101644)

[Paul Walker via cfe-commits]

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@@ -69,7 +69,7 @@
 
 #ifndef SVE_VECTOR_TYPE_BFLOAT
 #define SVE_VECTOR_TYPE_BFLOAT(Name, MangledName, Id, SingletonId, NumEls, ElBits, NF) \
-  SVE_VECTOR_TYPE_DETAILS(Name, MangledName, Id, SingletonId, NumEls, ElBits, NF, false, false, true)
+  SVE_VECTOR_TYPE_DETAILS(Name, MangledName, Id, SingletonId, NumEls, ElBits, NF, true, false, true)
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paulwalker-arm wrote:

Is this change necessary?

https://github.com/llvm/llvm-project/pull/101644