[flang-commits] [flang] [flang] Fix BoxAnalyzer.h for LLVM_ENABLE_EXPENSIVE_CHECKS (PR #96675)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-flang-fir-hlfir

Author: None (dpalermo)

<details>
<summary>Changes</summary>

Fixes assert seen trying to default number of inlined elements for `SmallVector<T>` but `sizeof(T)` is really big. Seen with -DLLVM_ENABLE_EXPENSIVE_CHECKS.

---
Full diff: https://github.com/llvm/llvm-project/pull/96675.diff


1 Files Affected:

- (modified) flang/include/flang/Lower/BoxAnalyzer.h (+1-1) 


``````````diff
diff --git a/flang/include/flang/Lower/BoxAnalyzer.h b/flang/include/flang/Lower/BoxAnalyzer.h
index 3b8e2455ff273..8eca7d66a71bf 100644
--- a/flang/include/flang/Lower/BoxAnalyzer.h
+++ b/flang/include/flang/Lower/BoxAnalyzer.h
@@ -97,7 +97,7 @@ struct ScalarDynamicDerived : ScalarSym {
       : ScalarSym{sym}, lens{std::move(lens)} {}
 
 private:
-  llvm::SmallVector<Fortran::lower::SomeExpr> lens;
+  llvm::SmallVector<Fortran::lower::SomeExpr, 1> lens;
 };
 
 struct LBoundsAndShape {

``````````

</details>


https://github.com/llvm/llvm-project/pull/96675