[lld] [ELF] Support relocatable files using CREL (PR #98115)

[Peter Smith via llvm-commits]

================
@@ -1073,11 +1107,7 @@ void InputSectionBase::relocate(uint8_t *buf, uint8_t *bufEnd) {
   auto *sec = cast<InputSection>(this);
   // For a relocatable link, also call relocateNonAlloc() to rewrite applicable
   // locations with tombstone values.
-  const RelsOrRelas<ELFT> rels = sec->template relsOrRelas<ELFT>();
-  if (rels.areRelocsRel())
-    sec->relocateNonAlloc<ELFT>(buf, rels.rels);
-  else
-    sec->relocateNonAlloc<ELFT>(buf, rels.relas);
+  doRelocs(*sec, sec->relocateNonAlloc, buf);
----------------
smithp35 wrote:

I'm wondering whether invokeRelocs or invokeOnRelocs to match invokeELFT may be a better name for the macro?

https://github.com/llvm/llvm-project/pull/98115