[Mlir-commits] [mlir] [MLIR] Add method to invalidate cached symbol table (PR #138014)

[River Riddle]

================
@@ -998,6 +998,13 @@ SymbolTable &SymbolTableCollection::getSymbolTable(Operation *op) {
   return *it.first->second;
 }
 
+void SymbolTableCollection::invalidateSymbolTable(Operation *op) {
+  auto it = symbolTables.find(op);
+
+  if (it != symbolTables.end())
+    symbolTables.erase(it);
----------------
River707 wrote:

```suggestion
  symbolTables.erase(op);
```

?

https://github.com/llvm/llvm-project/pull/138014