[clang] [llvm] [SystemZ][z/OS] Update autoconversion functions to improve support for UTF-8 (PR #98652)

[Zibi Sarbinowski via cfe-commits]

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@@ -70,6 +70,11 @@ class FileEntryRef {
   const FileEntry &getFileEntry() const {
     return *getBaseMapEntry().second->V.get<FileEntry *>();
   }
+#ifdef __MVS__
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zibi2 wrote:

I wonder if we can remove this conditional compilation guard and defined this non-const function unconditionally.

https://github.com/llvm/llvm-project/pull/98652