[llvm] [AVR] Fix parsing & emitting relative jumps (PR #102936)

[via llvm-commits]

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@@ -513,14 +516,10 @@ bool AVRAsmBackend::shouldForceRelocation(const MCAssembler &Asm,
   switch ((unsigned)Fixup.getKind()) {
   default:
     return Fixup.getKind() >= FirstLiteralRelocationKind;
-  // Fixups which should always be recorded as relocations.
   case AVR::fixup_7_pcrel:
   case AVR::fixup_13_pcrel:
-    // Do not force relocation for PC relative branch like 'rjmp .',
-    // 'rcall . - off' and 'breq . + off'.
-    if (const auto *SymA = Target.getSymA())
-      if (SymA->getSymbol().getName().size() == 0)
-        return false;
+    // Always resolve relocations for PC-relative branches
+    return false;
     [[fallthrough]];
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aykevl wrote:

```suggestion
```

This fallthrough doesn't do anything anymore, so can be removed.

https://github.com/llvm/llvm-project/pull/102936