[llvm] WordPos should be less than BITWORDS_PER_ELEMENT (PR #142959)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-adt

Author: Swayam (SwayamInSync)

<details>
<summary>Changes</summary>

Bits is declared as:
```
BitWord Bits[BITWORDS_PER_ELEMENT];
```
The change modifies an assert condition to ensure that `WordPos` is strictly less than `BITWORDS_PER_ELEMENT` rather than less than or equal to it.

---
Full diff: https://github.com/llvm/llvm-project/pull/142959.diff


1 Files Affected:

- (modified) llvm/include/llvm/ADT/SparseBitVector.h (+1-1) 


``````````diff
diff --git a/llvm/include/llvm/ADT/SparseBitVector.h b/llvm/include/llvm/ADT/SparseBitVector.h
index 7151af6146e6e..3fec695c6e461 100644
--- a/llvm/include/llvm/ADT/SparseBitVector.h
+++ b/llvm/include/llvm/ADT/SparseBitVector.h
@@ -152,7 +152,7 @@ template <unsigned ElementSize = 128> struct SparseBitVectorElement {
     unsigned WordPos = Curr / BITWORD_SIZE;
     unsigned BitPos = Curr % BITWORD_SIZE;
     BitWord Copy = Bits[WordPos];
-    assert(WordPos <= BITWORDS_PER_ELEMENT
+    assert(WordPos < BITWORDS_PER_ELEMENT
            && "Word Position outside of element");
 
     // Mask off previous bits.

``````````

</details>


https://github.com/llvm/llvm-project/pull/142959