[llvm] [RelLookupTableConverter] Drop unnamed_addr to avoid generating GOTPCREL relocations (PR #142304)

[via llvm-commits]

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@@ -110,6 +110,11 @@ static GlobalVariable *createRelLookupTable(Function &Func,
 
   for (Use &Operand : LookupTableArr->operands()) {
     Constant *Element = cast<Constant>(Operand);
+    // Drop unnamed_addr to avoid matching pattern in
+    // `handleIndirectSymViaGOTPCRel`, which generates GOTPCREL relocations not
+    // supported by the GNU linker and LLD versions below 18 on aarch64.
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dianqk wrote:

> Huh. It would be good to file a bug for that...

I'm still in the process of creating an account. :\ (https://sourceware.org/bugzilla/createaccount.cgi)

https://github.com/llvm/llvm-project/pull/142304