[lld] [lld][ELF] Sort thunks by their destination to allow quicker convergence (PR #209962)

[Pranav Kant via llvm-commits]

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@@ -4107,7 +4084,21 @@ InputSection *ThunkSection::getTargetInputSection() const {
   return t->getTargetInputSection();
 }
 
-bool ThunkSection::assignOffsets() {
+bool ThunkSection::assignOffsets(bool sort) {
+  if (sort) {
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pranavk wrote:

I added a more descriptive comment as per Peter's suggestion.

@aeubanks yeah, one time sort seems simple and sufficient for now. We can consider other approaches later if this doesn't suffice.

https://github.com/llvm/llvm-project/pull/209962