[flang-commits] [flang] [flang] Ignore -fno-realloc-lhs for polymorphic allocatable LHS with warning (PR #192697)

via flang-commits flang-commits at lists.llvm.org
Fri Apr 17 09:53:44 PDT 2026


github-actions[bot] wrote:

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


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<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- flang/lib/Lower/Bridge.cpp --diff_from_common_commit
``````````

:warning:
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.
:warning:

</details>

<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/flang/lib/Lower/Bridge.cpp b/flang/lib/Lower/Bridge.cpp
index 2153c07e0..bbdd7ded1 100644
--- a/flang/lib/Lower/Bridge.cpp
+++ b/flang/lib/Lower/Bridge.cpp
@@ -5606,9 +5606,8 @@ private:
         lhsType.has_value() && lhsType->IsPolymorphic();
     if (lhsIsWholeAllocatable && lhsIsPolymorphic &&
         !bridge.getLoweringOptions().getReallocateLHS())
-      mlir::emitWarning(loc,
-                        "-fno-realloc-lhs is ignored for assignment to "
-                        "polymorphic allocatable");
+      mlir::emitWarning(loc, "-fno-realloc-lhs is ignored for assignment to "
+                             "polymorphic allocatable");
     const bool isWholeAllocatableAssignment =
         lhsIsWholeAllocatable &&
         (bridge.getLoweringOptions().getReallocateLHS() || lhsIsPolymorphic);

``````````

</details>


https://github.com/llvm/llvm-project/pull/192697


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