[lld] [lld][ELF][LoongArch] Support relaxing R_LARCH_CALL36 (PR #127312)

[WÁNG Xuěruì via llvm-commits]

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@@ -971,6 +1017,7 @@ void LoongArch::finalizeRelax(int passes) const {
           switch (newType) {
           case R_LARCH_RELAX:
             break;
+          case R_LARCH_B26:
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xen0n wrote:

Ah, it should remain `R_PLT_PC`. I'll see if I should just close this instead of #123576 because I didn't know that PR even existed until today morning.

https://github.com/llvm/llvm-project/pull/127312