[ADT] Fix ArrayRef<T>::slice

[FLZ101]

No description provided.

[llvmbot]

@llvm/pr-subscribers-llvm-adt

Author: Franklin (FLZ101)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/113048.diff

1 Files Affected:

• (modified) llvm/include/llvm/ADT/ArrayRef.h (+4-1)

diff --git a/llvm/include/llvm/ADT/ArrayRef.h b/llvm/include/llvm/ADT/ArrayRef.h
index ac40ec4a6b2404..69a08fd079043a 100644
--- a/llvm/include/llvm/ADT/ArrayRef.h
+++ b/llvm/include/llvm/ADT/ArrayRef.h
@@ -198,7 +198,10 @@ namespace llvm {
     }
 
     /// slice(n) - Chop off the first N elements of the array.
-    ArrayRef<T> slice(size_t N) const { return slice(N, size() - N); }
+    ArrayRef<T> slice(size_t N) const {
+      assert(N <= size() && "Invalid specifier");
+      return slice(N, size() - N);
+    }
 
     /// Drop the first \p N elements of the array.
     ArrayRef<T> drop_front(size_t N = 1) const {