[flang-commits] [flang] [flang] Adapt PolymorphicOpConversion to run on all top level ops (PR #90597)

[Slava Zakharin via flang-commits]

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@@ -229,7 +229,9 @@ class PolymorphicOpConversion
 
   void runOnOperation() override {
     auto *context = &getContext();
-    auto mod = getOperation()->getParentOfType<ModuleOp>();
+    auto mod = mlir::dyn_cast_or_null<mlir::ModuleOp>(getOperation());
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vzakhari wrote:

I agree with Renaud that the mutex is not functional as-is.  Each instance of the pass will have its own mutex, so the parallel modifications of the parent module operation cause a race.

https://github.com/llvm/llvm-project/pull/90597