[llvm] [BOLT] Support runtime library hook via DT_INIT_ARRAY (PR #167467)

[Maksim Panchenko via llvm-commits]

================
@@ -2178,6 +2345,13 @@ void RewriteInstance::adjustCommandLineOptions() {
     exit(1);
   }
 
+  if (opts::Instrument && opts::RuntimeLibInitHook == opts::RLIH_ENTRY_POINT &&
+      !BC->HasInterpHeader) {
+    outs() << "BOLT-WARNING: adjusted runtime-lib-init-hook to 'init' due to "
----------------
maksfb wrote:

```suggestion
    BC->errs() << "BOLT-WARNING: adjusted runtime-lib-init-hook to 'init' due to "
```

https://github.com/llvm/llvm-project/pull/167467