[flang-commits] [flang] [flang][openmp]Add UserReductionDetails and use in DECLARE REDUCTION (PR #140066)

[Tom Eccles via flang-commits]

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@@ -3508,6 +3509,17 @@ bool OmpStructureChecker::CheckReductionOperator(
         break;
       }
     }
+    // User-defined operators are OK if there has been a declared reduction
+    // for that. We mangle those names to store the user details.
+    if (const auto *definedOp{std::get_if<parser::DefinedOpName>(&dOpr.u)}) {
+      std::string mangled = MangleDefinedOperator(definedOp->v.symbol->name());
+      const Scope &scope = definedOp->v.symbol->owner();
+      if (const Symbol *symbol = scope.FindSymbol(mangled)) {
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tblah wrote:

https://github.com/llvm/llvm-project/pull/140066/commits/693112efb87380439f2ac8a6e6e0e230136d9a54

https://github.com/llvm/llvm-project/pull/140066