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

[Ádám Kallai via llvm-commits]

================
@@ -4849,9 +5016,13 @@ void RewriteInstance::patchELFSectionHeaderTable(ELFObjectFile<ELFT> *File) {
   ELFEhdrTy NewEhdr = Obj.getHeader();
 
   if (BC->HasRelocations) {
-    if (RuntimeLibrary *RtLibrary = BC->getRuntimeLibrary())
+    RuntimeLibrary *RtLibrary = BC->getRuntimeLibrary();
+    if (RtLibrary && opts::RuntimeLibInitHook == opts::RLIH_ENTRY_POINT) {
----------------
kaadam wrote:

Yes, that's good for me. Thanks. 

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