[llvm] [AVR] Force relocations for non-encodable jumps (PR #121498)

[Matt Arsenault via llvm-commits]

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@@ -45,12 +49,18 @@ static void signed_width(unsigned Width, uint64_t Value,
 
     Ctx->reportError(Fixup.getLoc(), Diagnostic);
   }
+
+  return false;
 }
 
-static void unsigned_width(unsigned Width, uint64_t Value,
-                           std::string Description, const MCFixup &Fixup,
-                           MCContext *Ctx) {
-  if (!isUIntN(Width, Value)) {
+static bool checkUnsignedWidth(unsigned Width, uint64_t Value,
+                               std::string Description, const MCFixup &Fixup,
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arsenm wrote:

This probably should not be std::string. Twine maybe? 

https://github.com/llvm/llvm-project/pull/121498