[flang-commits] [flang] [Flang] Add parsing and attribute registration for SIMPLE specifier (PR #161285)

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Mon Mar 23 17:46:42 PDT 2026


github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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<summary>
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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- flang/include/flang/Evaluate/call.h flang/include/flang/Evaluate/characteristics.h flang/include/flang/Evaluate/tools.h flang/include/flang/Parser/dump-parse-tree.h flang/include/flang/Parser/parse-tree.h flang/include/flang/Semantics/attr.h flang/lib/Evaluate/call.cpp flang/lib/Evaluate/characteristics.cpp flang/lib/Evaluate/tools.cpp flang/lib/Parser/program-parsers.cpp flang/lib/Parser/unparse.cpp flang/lib/Semantics/check-declarations.cpp flang/lib/Semantics/resolve-names.cpp --diff_from_common_commit
``````````

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The reproduction instructions above might return results for more than one PR
in a stack if you are using a stacked PR workflow. You can limit the results by
changing `origin/main` to the base branch/commit you want to compare against.
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<details>
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View the diff from clang-format here.
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``````````diff
diff --git a/flang/lib/Semantics/check-declarations.cpp b/flang/lib/Semantics/check-declarations.cpp
index 014be60ec..792050061 100644
--- a/flang/lib/Semantics/check-declarations.cpp
+++ b/flang/lib/Semantics/check-declarations.cpp
@@ -1592,8 +1592,7 @@ void CheckHelper::CheckSubprogram(
       context_.SetError(symbol);
     }
   }
-  if (symbol.attrs().test(Attr::SIMPLE) &&
-      symbol.attrs().test(Attr::IMPURE)) {
+  if (symbol.attrs().test(Attr::SIMPLE) && symbol.attrs().test(Attr::IMPURE)) {
     messages_.Say(symbol.name(),
         "A procedure may not have both the SIMPLE and IMPURE attributes"_err_en_US);
     context_.SetError(symbol);

``````````

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https://github.com/llvm/llvm-project/pull/161285


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