[ADT] Simplify EnumeratedArray::operator[] (NFC)

[kazutakahirata]

This patch simplifies EnumeratedArray::operator[] with the
injected-class-name.

[llvmbot]

@llvm/pr-subscribers-llvm-adt

Author: Kazu Hirata (kazutakahirata)

Changes

This patch simplifies EnumeratedArray::operator[] with the
injected-class-name.

---

Full diff: https://github.com/llvm/llvm-project/pull/156811.diff

1 Files Affected:

• (modified) llvm/include/llvm/ADT/EnumeratedArray.h (+1-2)

diff --git a/llvm/include/llvm/ADT/EnumeratedArray.h b/llvm/include/llvm/ADT/EnumeratedArray.h
index fd0700c8e408a..93e1327306175 100644
--- a/llvm/include/llvm/ADT/EnumeratedArray.h
+++ b/llvm/include/llvm/ADT/EnumeratedArray.h
@@ -57,8 +57,7 @@ class EnumeratedArray {
   }
   ValueType &operator[](Enumeration Index) {
     return const_cast<ValueType &>(
-        static_cast<const EnumeratedArray<ValueType, Enumeration, LargestEnum,
-                                          IndexType, Size> &>(*this)[Index]);
+        static_cast<const EnumeratedArray &>(*this)[Index]);
   }
   IndexType size() const { return Size; }
   bool empty() const { return size() == 0; }