[flang] [clang] [flang] Enable alias tags pass by default (PR #73111)

[Mats Petersson via cfe-commits]

================
@@ -311,7 +311,7 @@ inline void createDefaultFIRCodeGenPassPipeline(
   if (config.VScaleMin != 0)
     pm.addPass(fir::createVScaleAttrPass({config.VScaleMin, config.VScaleMax}));
 
-  fir::addFIRToLLVMPass(pm, config.OptLevel);
+  fir::addFIRToLLVMPass(pm, config.OptLevel, config.AliasAnalysis);
----------------
Leporacanthicus wrote:

Maybe we can just pass (const reference to) `config` into the `addFIRToLLVMPass`?

https://github.com/llvm/llvm-project/pull/73111