Address a comment.

Author: kazutakahirata

llvm/include/llvm/ADT/Bitfields.h

@@ -114,8 +114,7 @@ template <typename Bitfield, typename StorageType> struct Impl {
     } else {
       static_assert(std::is_signed_v<IntegerType>,
                     "IntegerType must be signed");
-      assert(UserValue <= maxIntN(Bitfield::Bits) && "value is too big");
-      assert(UserValue >= minIntN(Bitfield::Bits) && "value is too small");
+      assert(isInt<Bitfield::Bits>(UserValue) && "value is out of range");
     }
   }
 

llvm/unittests/ADT/BitFieldsTest.cpp

@@ -247,8 +247,8 @@ TEST(BitfieldsTest, ValueTooBigBounded) {
   Bitfield::set<A>(Storage, 0);
   Bitfield::set<A>(Storage, -1);
   Bitfield::set<A>(Storage, -2);
-  EXPECT_DEBUG_DEATH(Bitfield::set<A>(Storage, 2), "value is too big");
-  EXPECT_DEBUG_DEATH(Bitfield::set<A>(Storage, -3), "value is too small");
+  EXPECT_DEBUG_DEATH(Bitfield::set<A>(Storage, 2), "value is out of range");
+  EXPECT_DEBUG_DEATH(Bitfield::set<A>(Storage, -3), "value is out of range");
 }
 
 #endif