[clang] [CIR] Implement static-local-tls lowering (PR #194059)

[Henrich Lauko via cfe-commits]

================
@@ -3840,8 +3843,7 @@ def CIR_LocalInitOp : CIR_Op<"local_init", [
   }];
   let arguments = (ins
     FlatSymbolRefAttr : $globalName,
-    UnitAttr : $tls,
-    UnitAttr : $static_local
+    UnitAttr : $tls
----------------
xlauko wrote:

nit:

```suggestion
    UnitProp : $tls
```

https://github.com/llvm/llvm-project/pull/194059