[flang-commits] [flang] [flang] Fix exposed "free" instances of ac-implied-do indices (PR #178516)

[Eugene Epshteyn via flang-commits]

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@@ -358,13 +394,15 @@ class IsInitialDataTargetHelper
     return false;
   }
 
-  parser::ContextualMessages *messages_;
+  parser::ContextualMessages *messages_{nullptr};
+  const FoldingContext *context_{nullptr};
   bool emittedMessage_{false};
+  std::set<parser::CharBlock> acImpliedDos_;
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eugeneepshteyn wrote:

This is used in `IsConstantExprHelper`, but not in `IsInitialDataTargetHelper`, right?

https://github.com/llvm/llvm-project/pull/178516