[lld] [wasm-ld] Refactor WasmSym from static globals to per-link context (PR #134970)

[Sam Clegg via llvm-commits]

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@@ -141,6 +142,9 @@ struct Ctx {
   llvm::SmallVector<InputGlobal *, 0> syntheticGlobals;
   llvm::SmallVector<InputTable *, 0> syntheticTables;
 
+  // Linker-generated symbols like __wasm_init_memory, __heap_base, etc.
+  std::unique_ptr<WasmSym> wasmSym;
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sbc100 wrote:

It looks like the ELF linker calls this member just `sym` .. can we do the same there?

https://github.com/llvm/llvm-project/pull/134970