[llvm] [OpenMP] Fix -Wunused-variable (PR #195697)

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llvmorg-github-actions[bot] wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-flang-openmp

Author: Colten (ColtenOuO)

<details>
<summary>Changes</summary>

DidIt is only used inside an assert, so mark the structured binding `[[maybe_unused]]` to avoid a warning in non-asserts builds

---
Full diff: https://github.com/llvm/llvm-project/pull/195697.diff


1 Files Affected:

- (modified) llvm/lib/Frontend/OpenMP/DirectiveNameParser.cpp (+2-1) 


``````````diff
diff --git a/llvm/lib/Frontend/OpenMP/DirectiveNameParser.cpp b/llvm/lib/Frontend/OpenMP/DirectiveNameParser.cpp
index 62e24825111f6..446a8609e36de 100644
--- a/llvm/lib/Frontend/OpenMP/DirectiveNameParser.cpp
+++ b/llvm/lib/Frontend/OpenMP/DirectiveNameParser.cpp
@@ -61,7 +61,8 @@ DirectiveNameParser::insertTransition(State *From, StringRef Tok) {
   if (State *Next = From->next(Tok))
     return Next;
 
-  auto [Where, DidIt] = From->Transition->try_emplace(Tok, State());
+  [[maybe_unused]] auto [Where, DidIt] =
+      From->Transition->try_emplace(Tok, State());
   assert(DidIt && "Map insertion failed");
   return &Where->second;
 }

``````````

</details>


https://github.com/llvm/llvm-project/pull/195697