[llvm] [llvm] Improve implementation of StringRef::find_last_of and cie (PR #71865)

[Mehdi Amini via llvm-commits]

================
@@ -268,17 +272,44 @@ StringRef::size_type StringRef::find_first_not_of(StringRef Chars,
   return npos;
 }
 
+#ifdef __SSE2__
+
+StringRef::size_type vectorized_find_last_of_specialized(const char *Data,
+                                                         size_t Sz, char C0,
----------------
joker-eph wrote:

```suggestion
static StringRef::size_type vectorized_find_last_of_specialized(const char *Data,
                                                         size_t Sz, char C0,
```

https://github.com/llvm/llvm-project/pull/71865