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

[Alexander Richardson via llvm-commits]

================
@@ -324,6 +324,8 @@ bool ICF<ELFT>::equalsConstant(const InputSection *a, const InputSection *b) {
 
   const RelsOrRelas<ELFT> ra = a->template relsOrRelas<ELFT>();
   const RelsOrRelas<ELFT> rb = b->template relsOrRelas<ELFT>();
+  if (ra.areRelocsCrel())
----------------
arichardson wrote:

Should this also have `|| rb.areRelocsCrel()` like the rel case below?

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