[compiler-rt] [compiler-rt][ubsan][nfc-ish] Fix a type conversion bug (PR #100665)

[Anton Korobeynikov via llvm-commits]

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@@ -207,7 +207,8 @@ struct VtablePrefix {
   std::type_info *TypeInfo;
 };
 VtablePrefix *getVtablePrefix(void *Vtable) {
-  Vtable = ptrauth_strip(Vtable, ptrauth_key_cxx_vtable_pointer);
+  Vtable = reinterpret_cast<void *>(
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asl wrote:

@alanzhao1 I think with typeof it should be redundant as return value would have `void*` type. But please double check, I do not have pac-ret enabled compiler-rt right now in buildable state...

https://github.com/llvm/llvm-project/pull/100665