[lld] [ELF] -r: Synthesize R_RISCV_ALIGN at input section start (PR #151639)

[Daniel Thornburgh via llvm-commits]

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@@ -1543,6 +1543,8 @@ template <class ELFT> void Writer<ELFT>::finalizeAddressDependentContent() {
 
   uint32_t pass = 0, assignPasses = 0;
   for (;;) {
+    if (ctx.arg.relocatable)
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mysterymath wrote:

Ah, thanks for the explanation. Makes sense to me.

In that case; I think we can remove the check for `ctx.arg.relocatable` in RISC-V's `relaxOnce`. We can now take it as part of the contract for relaxation and thunk creation that they do not occur in relocatable links.

https://github.com/llvm/llvm-project/pull/151639