[llvm] Move a lot of symbol code to use the symbol string pool (PR #115796)

[Lang Hames via llvm-commits]

================
@@ -314,7 +315,7 @@ class ELFJITLinker_x86_64 : public JITLinker<ELFJITLinker_x86_64> {
     // we just need to point the GOT symbol at some address in this graph.
     if (!GOTSymbol) {
       for (auto *Sym : G.external_symbols()) {
-        if (Sym->getName() == ELFGOTSymbolName) {
+        if (*Sym->getName() == ELFGOTSymbolName) {
----------------
lhames wrote:

`SymbolStringPtr` comparison once ELFGOTSymbolName is interned.

https://github.com/llvm/llvm-project/pull/115796